Finding the Fourth Proportional to 2,320,239.61, 3,201,882.49 and 1,287,687.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320,239.61 : 3,201,882.49 = 1,287,687.43 : x
2. Step 2: Convert to fraction form
   2,320,239.61/3,201,882.49 = 1,287,687.43/x
3. Step 3: Cross multiply
   2,320,239.61x = 3,201,882.49 × 1,287,687.43
4. Step 4: Simplify right side
   2,320,239.61x = 4,123,023,847,100.43
5. Step 5: Solve for x
   x = 4,123,023,847,100.43/2,320,239.61
6. Step 6: Final answer
   x = 1,776,981.92