Finding the Fourth Proportional to 1,573,139.43, 2,171,098.89 and 961,650.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573,139.43 : 2,171,098.89 = 961,650.18 : x
2. Step 2: Convert to fraction form
   1,573,139.43/2,171,098.89 = 961,650.18/x
3. Step 3: Cross multiply
   1,573,139.43x = 2,171,098.89 × 961,650.18
4. Step 4: Simplify right side
   1,573,139.43x = 2,087,837,638,366.30
5. Step 5: Solve for x
   x = 2,087,837,638,366.30/1,573,139.43
6. Step 6: Final answer
   x = 1,327,179.01