Finding the Fourth Proportional to 1,584,329.31, 2,186,491.89 and 886,680.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,329.31 : 2,186,491.89 = 886,680.04 : x
2. Step 2: Convert to fraction form
   1,584,329.31/2,186,491.89 = 886,680.04/x
3. Step 3: Cross multiply
   1,584,329.31x = 2,186,491.89 × 886,680.04
4. Step 4: Simplify right side
   1,584,329.31x = 1,938,718,715,892.94
5. Step 5: Solve for x
   x = 1,938,718,715,892.94/1,584,329.31
6. Step 6: Final answer
   x = 1,223,684.18