Finding the Fourth Proportional to 181,031.52, 249,831.36 and 120,504.72

Step by Step Solution

1. Step 1: Write the proportion equation
   181,031.52 : 249,831.36 = 120,504.72 : x
2. Step 2: Convert to fraction form
   181,031.52/249,831.36 = 120,504.72/x
3. Step 3: Cross multiply
   181,031.52x = 249,831.36 × 120,504.72
4. Step 4: Simplify right side
   181,031.52x = 30,105,858,084.02
5. Step 5: Solve for x
   x = 30,105,858,084.02/181,031.52
6. Step 6: Final answer
   x = 166,301.75