Finding the Fourth Proportional to 527,300.01, 727,669.83 and 285,577.02

Step by Step Solution

1. Step 1: Write the proportion equation
   527,300.01 : 727,669.83 = 285,577.02 : x
2. Step 2: Convert to fraction form
   527,300.01/727,669.83 = 285,577.02/x
3. Step 3: Cross multiply
   527,300.01x = 727,669.83 × 285,577.02
4. Step 4: Simplify right side
   527,300.01x = 207,805,781,595.31
5. Step 5: Solve for x
   x = 207,805,781,595.31/527,300.01
6. Step 6: Final answer
   x = 394,094.02