Finding the Fourth Proportional to 22,088.50, 30,482.13 and 12,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,088.50 : 30,482.13 = 12,152.50 : x
2. Step 2: Convert to fraction form
   22,088.50/30,482.13 = 12,152.50/x
3. Step 3: Cross multiply
   22,088.50x = 30,482.13 × 12,152.50
4. Step 4: Simplify right side
   22,088.50x = 370,434,084.83
5. Step 5: Solve for x
   x = 370,434,084.83/22,088.50
6. Step 6: Final answer
   x = 16,770.45