Finding the Fourth Proportional to 181,359.72, 250,271.42 and 100,785.18

Step by Step Solution

1. Step 1: Write the proportion equation
   181,359.72 : 250,271.42 = 100,785.18 : x
2. Step 2: Convert to fraction form
   181,359.72/250,271.42 = 100,785.18/x
3. Step 3: Cross multiply
   181,359.72x = 250,271.42 × 100,785.18
4. Step 4: Simplify right side
   181,359.72x = 25,223,650,113.56
5. Step 5: Solve for x
   x = 25,223,650,113.56/181,359.72
6. Step 6: Final answer
   x = 139,080.77