Finding the Fourth Proportional to 22,159.96, 30,573.98 and 12,599.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,159.96 : 30,573.98 = 12,599.12 : x
2. Step 2: Convert to fraction form
   22,159.96/30,573.98 = 12,599.12/x
3. Step 3: Cross multiply
   22,159.96x = 30,573.98 × 12,599.12
4. Step 4: Simplify right side
   22,159.96x = 385,205,242.90
5. Step 5: Solve for x
   x = 385,205,242.90/22,159.96
6. Step 6: Final answer
   x = 17,382.94