Finding the Fourth Proportional to 1,085,689.48, 1,498,259.78 and 595,655.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,689.48 : 1,498,259.78 = 595,655.72 : x
2. Step 2: Convert to fraction form
   1,085,689.48/1,498,259.78 = 595,655.72/x
3. Step 3: Cross multiply
   1,085,689.48x = 1,498,259.78 × 595,655.72
4. Step 4: Simplify right side
   1,085,689.48x = 892,447,008,002.94
5. Step 5: Solve for x
   x = 892,447,008,002.94/1,085,689.48
6. Step 6: Final answer
   x = 822,009.45