Finding the Fourth Proportional to 22,088.16, 30,482.50 and 12,658.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,088.16 : 30,482.50 = 12,658.55 : x
2. Step 2: Convert to fraction form
   22,088.16/30,482.50 = 12,658.55/x
3. Step 3: Cross multiply
   22,088.16x = 30,482.50 × 12,658.55
4. Step 4: Simplify right side
   22,088.16x = 385,864,097.96
5. Step 5: Solve for x
   x = 385,864,097.96/22,088.16
6. Step 6: Final answer
   x = 17,469.27