Finding the Fourth Proportional to 2,580,428.52, 3,561,112.89 and 1,434,528

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,428.52 : 3,561,112.89 = 1,434,528 : x
2. Step 2: Convert to fraction form
   2,580,428.52/3,561,112.89 = 1,434,528/x
3. Step 3: Cross multiply
   2,580,428.52x = 3,561,112.89 × 1,434,528
4. Step 4: Simplify right side
   2,580,428.52x = 5,108,516,151,865.92
5. Step 5: Solve for x
   x = 5,108,516,151,865.92/2,580,428.52
6. Step 6: Final answer
   x = 1,979,716.20