Finding the Fourth Proportional to 428,501,363,685.27, 591,331,978,406.91 and 235,813,536,610.96

Step by Step Solution

1. Step 1: Write the proportion equation
   428,501,363,685.27 : 591,331,978,406.91 = 235,813,536,610.96 : x
2. Step 2: Convert to fraction form
   428,501,363,685.27/591,331,978,406.91 = 235,813,536,610.96/x
3. Step 3: Cross multiply
   428,501,363,685.27x = 591,331,978,406.91 × 235,813,536,610.96
4. Step 4: Simplify right side
   428,501,363,685.27x = 139,444,085,139,289,275,367,424
5. Step 5: Solve for x
   x = 139,444,085,139,289,275,367,424/428,501,363,685.27
6. Step 6: Final answer
   x = 325,422,733,640.84