Finding the Fourth Proportional to 1,078,470.05, 1,611,387.54 and 1,040,753.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,470.05 : 1,611,387.54 = 1,040,753.61 : x
2. Step 2: Convert to fraction form
   1,078,470.05/1,611,387.54 = 1,040,753.61/x
3. Step 3: Cross multiply
   1,078,470.05x = 1,611,387.54 × 1,040,753.61
4. Step 4: Simplify right side
   1,078,470.05x = 1,677,057,399,364.02
5. Step 5: Solve for x
   x = 1,677,057,399,364.02/1,078,470.05
6. Step 6: Final answer
   x = 1,555,033.83