Finding the Fourth Proportional to 1,086,840.72, 1,499,770.82 and 603,405.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,840.72 : 1,499,770.82 = 603,405.74 : x
2. Step 2: Convert to fraction form
   1,086,840.72/1,499,770.82 = 603,405.74/x
3. Step 3: Cross multiply
   1,086,840.72x = 1,499,770.82 × 603,405.74
4. Step 4: Simplify right side
   1,086,840.72x = 904,970,310,956.62
5. Step 5: Solve for x
   x = 904,970,310,956.62/1,086,840.72
6. Step 6: Final answer
   x = 832,661.40