Finding the Fourth Proportional to 113,105.48, 169,662.29 and 56,915.00

Step by Step Solution

1. Step 1: Write the proportion equation
   113,105.48 : 169,662.29 = 56,915.00 : x
2. Step 2: Convert to fraction form
   113,105.48/169,662.29 = 56,915.00/x
3. Step 3: Cross multiply
   113,105.48x = 169,662.29 × 56,915.00
4. Step 4: Simplify right side
   113,105.48x = 9,656,328,102.46
5. Step 5: Solve for x
   x = 9,656,328,102.46/113,105.48
6. Step 6: Final answer
   x = 85,374.54