Finding the Fourth Proportional to 1,150,566.76, 1,587,713.82 and 660,423.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,566.76 : 1,587,713.82 = 660,423.04 : x
2. Step 2: Convert to fraction form
   1,150,566.76/1,587,713.82 = 660,423.04/x
3. Step 3: Cross multiply
   1,150,566.76x = 1,587,713.82 × 660,423.04
4. Step 4: Simplify right side
   1,150,566.76x = 1,048,562,787,654.41
5. Step 5: Solve for x
   x = 1,048,562,787,654.41/1,150,566.76
6. Step 6: Final answer
   x = 911,344.59