Finding the Fourth Proportional to 181,111.77, 249,935.21 and 113,168.18

Step by Step Solution

1. Step 1: Write the proportion equation
   181,111.77 : 249,935.21 = 113,168.18 : x
2. Step 2: Convert to fraction form
   181,111.77/249,935.21 = 113,168.18/x
3. Step 3: Cross multiply
   181,111.77x = 249,935.21 × 113,168.18
4. Step 4: Simplify right side
   181,111.77x = 28,284,711,400.50
5. Step 5: Solve for x
   x = 28,284,711,400.50/181,111.77
6. Step 6: Final answer
   x = 156,172.68