Finding the Fourth Proportional to 1,036,262.78, 1,554,394.17 and 615,321.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,262.78 : 1,554,394.17 = 615,321.98 : x
2. Step 2: Convert to fraction form
   1,036,262.78/1,554,394.17 = 615,321.98/x
3. Step 3: Cross multiply
   1,036,262.78x = 1,554,394.17 × 615,321.98
4. Step 4: Simplify right side
   1,036,262.78x = 956,452,898,384.86
5. Step 5: Solve for x
   x = 956,452,898,384.86/1,036,262.78
6. Step 6: Final answer
   x = 922,982.97