Finding the Fourth Proportional to 1,108,874.69, 1,663,061.19 and 509,259.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,874.69 : 1,663,061.19 = 509,259.44 : x
2. Step 2: Convert to fraction form
   1,108,874.69/1,663,061.19 = 509,259.44/x
3. Step 3: Cross multiply
   1,108,874.69x = 1,663,061.19 × 509,259.44
4. Step 4: Simplify right side
   1,108,874.69x = 846,929,601,989.83
5. Step 5: Solve for x
   x = 846,929,601,989.83/1,108,874.69
6. Step 6: Final answer
   x = 763,773.95