Finding the Fourth Proportional to 1,623,693.89, 2,240,701.91 and 898,591.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623,693.89 : 2,240,701.91 = 898,591.61 : x
2. Step 2: Convert to fraction form
   1,623,693.89/2,240,701.91 = 898,591.61/x
3. Step 3: Cross multiply
   1,623,693.89x = 2,240,701.91 × 898,591.61
4. Step 4: Simplify right side
   1,623,693.89x = 2,013,475,936,836.98
5. Step 5: Solve for x
   x = 2,013,475,936,836.98/1,623,693.89
6. Step 6: Final answer
   x = 1,240,058.82