Finding the Fourth Proportional to 1,086,815.20, 1,499,730.06 and 603,342.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,815.20 : 1,499,730.06 = 603,342.82 : x
2. Step 2: Convert to fraction form
   1,086,815.20/1,499,730.06 = 603,342.82/x
3. Step 3: Cross multiply
   1,086,815.20x = 1,499,730.06 × 603,342.82
4. Step 4: Simplify right side
   1,086,815.20x = 904,851,363,639.17
5. Step 5: Solve for x
   x = 904,851,363,639.17/1,086,815.20
6. Step 6: Final answer
   x = 832,571.50