Finding the Fourth Proportional to 521,053.29, 781,049.39 and 236,945.52

Step by Step Solution

1. Step 1: Write the proportion equation
   521,053.29 : 781,049.39 = 236,945.52 : x
2. Step 2: Convert to fraction form
   521,053.29/781,049.39 = 236,945.52/x
3. Step 3: Cross multiply
   521,053.29x = 781,049.39 × 236,945.52
4. Step 4: Simplify right side
   521,053.29x = 185,066,152,674.51
5. Step 5: Solve for x
   x = 185,066,152,674.51/521,053.29
6. Step 6: Final answer
   x = 355,177.02