Finding the Fourth Proportional to 1,009,527.40, 1,514,329.98 and 261,553.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,527.40 : 1,514,329.98 = 261,553.96 : x
2. Step 2: Convert to fraction form
   1,009,527.40/1,514,329.98 = 261,553.96/x
3. Step 3: Cross multiply
   1,009,527.40x = 1,514,329.98 × 261,553.96
4. Step 4: Simplify right side
   1,009,527.40x = 396,079,003,015.72
5. Step 5: Solve for x
   x = 396,079,003,015.72/1,009,527.40
6. Step 6: Final answer
   x = 392,341.01