Finding the Fourth Proportional to 2,586,638.58, 3,569,562.36 and 1,499,540.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,638.58 : 3,569,562.36 = 1,499,540.40 : x
2. Step 2: Convert to fraction form
   2,586,638.58/3,569,562.36 = 1,499,540.40/x
3. Step 3: Cross multiply
   2,586,638.58x = 3,569,562.36 × 1,499,540.40
4. Step 4: Simplify right side
   2,586,638.58x = 5,352,702,969,139.34
5. Step 5: Solve for x
   x = 5,352,702,969,139.34/2,586,638.58
6. Step 6: Final answer
   x = 2,069,366.40