Finding the Fourth Proportional to 2,171,399.16, 2,996,082.12 and 1,253,612.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,399.16 : 2,996,082.12 = 1,253,612.40 : x
2. Step 2: Convert to fraction form
   2,171,399.16/2,996,082.12 = 1,253,612.40/x
3. Step 3: Cross multiply
   2,171,399.16x = 2,996,082.12 × 1,253,612.40
4. Step 4: Simplify right side
   2,171,399.16x = 3,755,925,697,050.29
5. Step 5: Solve for x
   x = 3,755,925,697,050.29/2,171,399.16
6. Step 6: Final answer
   x = 1,729,726.05