Finding the Fourth Proportional to 22,152.90, 30,568.14 and 12,591.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.90 : 30,568.14 = 12,591.53 : x
2. Step 2: Convert to fraction form
   22,152.90/30,568.14 = 12,591.53/x
3. Step 3: Cross multiply
   22,152.90x = 30,568.14 × 12,591.53
4. Step 4: Simplify right side
   22,152.90x = 384,899,499.01
5. Step 5: Solve for x
   x = 384,899,499.01/22,152.90
6. Step 6: Final answer
   x = 17,374.68