Finding the Fourth Proportional to 1,385,892.59, 2,079,496.80 and 960,083.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,892.59 : 2,079,496.80 = 960,083.69 : x
2. Step 2: Convert to fraction form
   1,385,892.59/2,079,496.80 = 960,083.69/x
3. Step 3: Cross multiply
   1,385,892.59x = 2,079,496.80 × 960,083.69
4. Step 4: Simplify right side
   1,385,892.59x = 1,996,490,950,689.71
5. Step 5: Solve for x
   x = 1,996,490,950,689.71/1,385,892.59
6. Step 6: Final answer
   x = 1,440,581.31