Finding the Fourth Proportional to 181,171.98, 250,008.98 and 100,604.61

Step by Step Solution

1. Step 1: Write the proportion equation
   181,171.98 : 250,008.98 = 100,604.61 : x
2. Step 2: Convert to fraction form
   181,171.98/250,008.98 = 100,604.61/x
3. Step 3: Cross multiply
   181,171.98x = 250,008.98 × 100,604.61
4. Step 4: Simplify right side
   181,171.98x = 25,152,055,426.37
5. Step 5: Solve for x
   x = 25,152,055,426.37/181,171.98
6. Step 6: Final answer
   x = 138,829.72