Finding the Fourth Proportional to 113,789.52, 157,028.38 and 62,802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,789.52 : 157,028.38 = 62,802.72 : x
2. Step 2: Convert to fraction form
   113,789.52/157,028.38 = 62,802.72/x
3. Step 3: Cross multiply
   113,789.52x = 157,028.38 × 62,802.72
4. Step 4: Simplify right side
   113,789.52x = 9,861,809,381.19
5. Step 5: Solve for x
   x = 9,861,809,381.19/113,789.52
6. Step 6: Final answer
   x = 86,667.11