Finding the Fourth Proportional to 1,098,288.78, 1,515,819.86 and 753,841.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,288.78 : 1,515,819.86 = 753,841.74 : x
2. Step 2: Convert to fraction form
   1,098,288.78/1,515,819.86 = 753,841.74/x
3. Step 3: Cross multiply
   1,098,288.78x = 1,515,819.86 × 753,841.74
4. Step 4: Simplify right side
   1,098,288.78x = 1,142,688,280,788.96
5. Step 5: Solve for x
   x = 1,142,688,280,788.96/1,098,288.78
6. Step 6: Final answer
   x = 1,040,426.07