Finding the Fourth Proportional to 1,491,399.42, 2,059,807.77 and 1,007,123.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491,399.42 : 2,059,807.77 = 1,007,123.91 : x
2. Step 2: Convert to fraction form
   1,491,399.42/2,059,807.77 = 1,007,123.91/x
3. Step 3: Cross multiply
   1,491,399.42x = 2,059,807.77 × 1,007,123.91
4. Step 4: Simplify right side
   1,491,399.42x = 2,074,481,655,170.78
5. Step 5: Solve for x
   x = 2,074,481,655,170.78/1,491,399.42
6. Step 6: Final answer
   x = 1,390,963.16