Finding the Fourth Proportional to 64,435.91, 96,681.53 and 31,180.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,435.91 : 96,681.53 = 31,180.82 : x
2. Step 2: Convert to fraction form
   64,435.91/96,681.53 = 31,180.82/x
3. Step 3: Cross multiply
   64,435.91x = 96,681.53 × 31,180.82
4. Step 4: Simplify right side
   64,435.91x = 3,014,608,978.80
5. Step 5: Solve for x
   x = 3,014,608,978.80/64,435.91
6. Step 6: Final answer
   x = 46,784.61