Finding the Fourth Proportional to 113,150.05, 156,146.42 and 62,161.68

Step by Step Solution

1. Step 1: Write the proportion equation
   113,150.05 : 156,146.42 = 62,161.68 : x
2. Step 2: Convert to fraction form
   113,150.05/156,146.42 = 62,161.68/x
3. Step 3: Cross multiply
   113,150.05x = 156,146.42 × 62,161.68
4. Step 4: Simplify right side
   113,150.05x = 9,706,323,482.38
5. Step 5: Solve for x
   x = 9,706,323,482.38/113,150.05
6. Step 6: Final answer
   x = 85,782.76