Finding the Fourth Proportional to 21,340,158.57, 32,016,231.45 and 8,569,631.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,340,158.57 : 32,016,231.45 = 8,569,631.34 : x
2. Step 2: Convert to fraction form
   21,340,158.57/32,016,231.45 = 8,569,631.34/x
3. Step 3: Cross multiply
   21,340,158.57x = 32,016,231.45 × 8,569,631.34
4. Step 4: Simplify right side
   21,340,158.57x = 274,367,300,422,613.62
5. Step 5: Solve for x
   x = 274,367,300,422,613.62/21,340,158.57
6. Step 6: Final answer
   x = 12,856,853.88