Finding the Fourth Proportional to 113,949.03, 157,248.72 and 62,961.60

Step by Step Solution

1. Step 1: Write the proportion equation
   113,949.03 : 157,248.72 = 62,961.60 : x
2. Step 2: Convert to fraction form
   113,949.03/157,248.72 = 62,961.60/x
3. Step 3: Cross multiply
   113,949.03x = 157,248.72 × 62,961.60
4. Step 4: Simplify right side
   113,949.03x = 9,900,631,009.15
5. Step 5: Solve for x
   x = 9,900,631,009.15/113,949.03
6. Step 6: Final answer
   x = 86,886.49