Finding the Fourth Proportional to 113,577.60, 156,738.12 and 62,592.15

Step by Step Solution

1. Step 1: Write the proportion equation
   113,577.60 : 156,738.12 = 62,592.15 : x
2. Step 2: Convert to fraction form
   113,577.60/156,738.12 = 62,592.15/x
3. Step 3: Cross multiply
   113,577.60x = 156,738.12 × 62,592.15
4. Step 4: Simplify right side
   113,577.60x = 9,810,575,917.76
5. Step 5: Solve for x
   x = 9,810,575,917.76/113,577.60
6. Step 6: Final answer
   x = 86,377.74