Finding the Fourth Proportional to 181,029.52, 249,828.60 and 120,502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   181,029.52 : 249,828.60 = 120,502.72 : x
2. Step 2: Convert to fraction form
   181,029.52/249,828.60 = 120,502.72/x
3. Step 3: Cross multiply
   181,029.52x = 249,828.60 × 120,502.72
4. Step 4: Simplify right side
   181,029.52x = 30,105,025,833.79
5. Step 5: Solve for x
   x = 30,105,025,833.79/181,029.52
6. Step 6: Final answer
   x = 166,298.99