Finding the Fourth Proportional to 113,160.29, 156,158.69 and 61,476.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,160.29 : 156,158.69 = 61,476.05 : x
2. Step 2: Convert to fraction form
   113,160.29/156,158.69 = 61,476.05/x
3. Step 3: Cross multiply
   113,160.29x = 156,158.69 × 61,476.05
4. Step 4: Simplify right side
   113,160.29x = 9,600,018,736.60
5. Step 5: Solve for x
   x = 9,600,018,736.60/113,160.29
6. Step 6: Final answer
   x = 84,835.58