Finding the Fourth Proportional to 2,586,886.20, 3,569,909.37 and 1,554,411.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,886.20 : 3,569,909.37 = 1,554,411.18 : x
2. Step 2: Convert to fraction form
   2,586,886.20/3,569,909.37 = 1,554,411.18/x
3. Step 3: Cross multiply
   2,586,886.20x = 3,569,909.37 × 1,554,411.18
4. Step 4: Simplify right side
   2,586,886.20x = 5,549,107,036,314.76
5. Step 5: Solve for x
   x = 5,549,107,036,314.76/2,586,886.20
6. Step 6: Final answer
   x = 2,145,091.28