Finding the Fourth Proportional to 113,875.60, 170,917.05 and 60,612.29

Step by Step Solution

1. Step 1: Write the proportion equation
   113,875.60 : 170,917.05 = 60,612.29 : x
2. Step 2: Convert to fraction form
   113,875.60/170,917.05 = 60,612.29/x
3. Step 3: Cross multiply
   113,875.60x = 170,917.05 × 60,612.29
4. Step 4: Simplify right side
   113,875.60x = 10,359,673,800.54
5. Step 5: Solve for x
   x = 10,359,673,800.54/113,875.60
6. Step 6: Final answer
   x = 90,973.60