Finding the Fourth Proportional to 113,077.71, 156,047.25 and 62,776.71

Step by Step Solution

1. Step 1: Write the proportion equation
   113,077.71 : 156,047.25 = 62,776.71 : x
2. Step 2: Convert to fraction form
   113,077.71/156,047.25 = 62,776.71/x
3. Step 3: Cross multiply
   113,077.71x = 156,047.25 × 62,776.71
4. Step 4: Simplify right side
   113,077.71x = 9,796,132,959.55
5. Step 5: Solve for x
   x = 9,796,132,959.55/113,077.71
6. Step 6: Final answer
   x = 86,631.87