Finding the Fourth Proportional to 22,073.50, 30,461.34 and 12,641.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,073.50 : 30,461.34 = 12,641.86 : x
2. Step 2: Convert to fraction form
   22,073.50/30,461.34 = 12,641.86/x
3. Step 3: Cross multiply
   22,073.50x = 30,461.34 × 12,641.86
4. Step 4: Simplify right side
   22,073.50x = 385,087,995.69
5. Step 5: Solve for x
   x = 385,087,995.69/22,073.50
6. Step 6: Final answer
   x = 17,445.72