Finding the Fourth Proportional to 22,150.55, 30,566.60 and 12,589.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.55 : 30,566.60 = 12,589.16 : x
2. Step 2: Convert to fraction form
   22,150.55/30,566.60 = 12,589.16/x
3. Step 3: Cross multiply
   22,150.55x = 30,566.60 × 12,589.16
4. Step 4: Simplify right side
   22,150.55x = 384,807,925.95
5. Step 5: Solve for x
   x = 384,807,925.95/22,150.55
6. Step 6: Final answer
   x = 17,372.38