Finding the Fourth Proportional to 526,505.27, 726,577.43 and 297,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   526,505.27 : 726,577.43 = 297,111.31 : x
2. Step 2: Convert to fraction form
   526,505.27/726,577.43 = 297,111.31/x
3. Step 3: Cross multiply
   526,505.27x = 726,577.43 × 297,111.31
4. Step 4: Simplify right side
   526,505.27x = 215,874,368,741.73
5. Step 5: Solve for x
   x = 215,874,368,741.73/526,505.27
6. Step 6: Final answer
   x = 410,013.69