Finding the Fourth Proportional to 2,259,021.38, 3,117,471.37 and 1,240,448.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,021.38 : 3,117,471.37 = 1,240,448.00 : x
2. Step 2: Convert to fraction form
   2,259,021.38/3,117,471.37 = 1,240,448.00/x
3. Step 3: Cross multiply
   2,259,021.38x = 3,117,471.37 × 1,240,448.00
4. Step 4: Simplify right side
   2,259,021.38x = 3,867,061,107,285.28
5. Step 5: Solve for x
   x = 3,867,061,107,285.28/2,259,021.38
6. Step 6: Final answer
   x = 1,711,830.24