Finding the Fourth Proportional to 113,870.47, 157,129.32 and 66,114.49

Step by Step Solution

1. Step 1: Write the proportion equation
   113,870.47 : 157,129.32 = 66,114.49 : x
2. Step 2: Convert to fraction form
   113,870.47/157,129.32 = 66,114.49/x
3. Step 3: Cross multiply
   113,870.47x = 157,129.32 × 66,114.49
4. Step 4: Simplify right side
   113,870.47x = 10,388,524,525.27
5. Step 5: Solve for x
   x = 10,388,524,525.27/113,870.47
6. Step 6: Final answer
   x = 91,231.07