Finding the Fourth Proportional to 1,086,644.34, 1,499,540.85 and 603,196.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,644.34 : 1,499,540.85 = 603,196.74 : x
2. Step 2: Convert to fraction form
   1,086,644.34/1,499,540.85 = 603,196.74/x
3. Step 3: Cross multiply
   1,086,644.34x = 1,499,540.85 × 603,196.74
4. Step 4: Simplify right side
   1,086,644.34x = 904,518,152,216.83
5. Step 5: Solve for x
   x = 904,518,152,216.83/1,086,644.34
6. Step 6: Final answer
   x = 832,395.77