Finding the Fourth Proportional to 1,108,314.83, 1,662,472.17 and 509,779.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,314.83 : 1,662,472.17 = 509,779.40 : x
2. Step 2: Convert to fraction form
   1,108,314.83/1,662,472.17 = 509,779.40/x
3. Step 3: Cross multiply
   1,108,314.83x = 1,662,472.17 × 509,779.40
4. Step 4: Simplify right side
   1,108,314.83x = 847,494,057,026.94
5. Step 5: Solve for x
   x = 847,494,057,026.94/1,108,314.83
6. Step 6: Final answer
   x = 764,669.06