Finding the Fourth Proportional to 118,099,078.52, 162,976,829.83 and 65,888,122.21

Step by Step Solution

1. Step 1: Write the proportion equation
   118,099,078.52 : 162,976,829.83 = 65,888,122.21 : x
2. Step 2: Convert to fraction form
   118,099,078.52/162,976,829.83 = 65,888,122.21/x
3. Step 3: Cross multiply
   118,099,078.52x = 162,976,829.83 × 65,888,122.21
4. Step 4: Simplify right side
   118,099,078.52x = 10,738,237,280,665,250
5. Step 5: Solve for x
   x = 10,738,237,280,665,250/118,099,078.52
6. Step 6: Final answer
   x = 90,925,665.26