Finding the Fourth Proportional to 1,755,597.38, 2,422,921.61 and 991,700.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755,597.38 : 2,422,921.61 = 991,700.15 : x
2. Step 2: Convert to fraction form
   1,755,597.38/2,422,921.61 = 991,700.15/x
3. Step 3: Cross multiply
   1,755,597.38x = 2,422,921.61 × 991,700.15
4. Step 4: Simplify right side
   1,755,597.38x = 2,402,811,714,439.88
5. Step 5: Solve for x
   x = 2,402,811,714,439.88/1,755,597.38
6. Step 6: Final answer
   x = 1,368,657.61