Finding the Fourth Proportional to 1,639,669.88, 2,262,747.88 and 914,498.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,639,669.88 : 2,262,747.88 = 914,498.96 : x
2. Step 2: Convert to fraction form
   1,639,669.88/2,262,747.88 = 914,498.96/x
3. Step 3: Cross multiply
   1,639,669.88x = 2,262,747.88 × 914,498.96
4. Step 4: Simplify right side
   1,639,669.88x = 2,069,280,583,002.20
5. Step 5: Solve for x
   x = 2,069,280,583,002.20/1,639,669.88
6. Step 6: Final answer
   x = 1,262,010.49