Finding the Fourth Proportional to 181,500.39, 250,476.59 and 99,832.09

Step by Step Solution

1. Step 1: Write the proportion equation
   181,500.39 : 250,476.59 = 99,832.09 : x
2. Step 2: Convert to fraction form
   181,500.39/250,476.59 = 99,832.09/x
3. Step 3: Cross multiply
   181,500.39x = 250,476.59 × 99,832.09
4. Step 4: Simplify right side
   181,500.39x = 25,005,600,976.61
5. Step 5: Solve for x
   x = 25,005,600,976.61/181,500.39
6. Step 6: Final answer
   x = 137,771.61