Finding the Fourth Proportional to 521,056.29, 781,053.89 and 236,948.52

Step by Step Solution

1. Step 1: Write the proportion equation
   521,056.29 : 781,053.89 = 236,948.52 : x
2. Step 2: Convert to fraction form
   521,056.29/781,053.89 = 236,948.52/x
3. Step 3: Cross multiply
   521,056.29x = 781,053.89 × 236,948.52
4. Step 4: Simplify right side
   521,056.29x = 185,069,562,091.00
5. Step 5: Solve for x
   x = 185,069,562,091.00/521,056.29
6. Step 6: Final answer
   x = 355,181.51