Finding the Fourth Proportional to 1,078,149.98, 1,488,325.20 and 696,362.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,149.98 : 1,488,325.20 = 696,362.96 : x
2. Step 2: Convert to fraction form
   1,078,149.98/1,488,325.20 = 696,362.96/x
3. Step 3: Cross multiply
   1,078,149.98x = 1,488,325.20 × 696,362.96
4. Step 4: Simplify right side
   1,078,149.98x = 1,036,414,541,714.59
5. Step 5: Solve for x
   x = 1,036,414,541,714.59/1,078,149.98
6. Step 6: Final answer
   x = 961,289.77