Finding the Fourth Proportional to 1,779,468.27, 2,669,657.57 and 517,295.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,468.27 : 2,669,657.57 = 517,295.89 : x
2. Step 2: Convert to fraction form
   1,779,468.27/2,669,657.57 = 517,295.89/x
3. Step 3: Cross multiply
   1,779,468.27x = 2,669,657.57 × 517,295.89
4. Step 4: Simplify right side
   1,779,468.27x = 1,381,002,887,375.15
5. Step 5: Solve for x
   x = 1,381,002,887,375.15/1,779,468.27
6. Step 6: Final answer
   x = 776,076.15