Finding the Fourth Proportional to 1,539,061.71, 2,124,116.13 and 885,674.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,539,061.71 : 2,124,116.13 = 885,674.31 : x
2. Step 2: Convert to fraction form
   1,539,061.71/2,124,116.13 = 885,674.31/x
3. Step 3: Cross multiply
   1,539,061.71x = 2,124,116.13 × 885,674.31
4. Step 4: Simplify right side
   1,539,061.71x = 1,881,275,087,797.62
5. Step 5: Solve for x
   x = 1,881,275,087,797.62/1,539,061.71
6. Step 6: Final answer
   x = 1,222,351.95