Finding the Fourth Proportional to 1,755,337.30, 2,422,397.55 and 991,248.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755,337.30 : 2,422,397.55 = 991,248.10 : x
2. Step 2: Convert to fraction form
   1,755,337.30/2,422,397.55 = 991,248.10/x
3. Step 3: Cross multiply
   1,755,337.30x = 2,422,397.55 × 991,248.10
4. Step 4: Simplify right side
   1,755,337.30x = 2,401,196,968,882.15
5. Step 5: Solve for x
   x = 2,401,196,968,882.15/1,755,337.30
6. Step 6: Final answer
   x = 1,367,940.49