Finding the Fourth Proportional to 1,866,626.33, 2,575,760.15 and 1,039,672.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,626.33 : 2,575,760.15 = 1,039,672.15 : x
2. Step 2: Convert to fraction form
   1,866,626.33/2,575,760.15 = 1,039,672.15/x
3. Step 3: Cross multiply
   1,866,626.33x = 2,575,760.15 × 1,039,672.15
4. Step 4: Simplify right side
   1,866,626.33x = 2,677,946,089,194.60
5. Step 5: Solve for x
   x = 2,677,946,089,194.60/1,866,626.33
6. Step 6: Final answer
   x = 1,434,644.98