Finding the Fourth Proportional to 22,010.64, 30,366.72 and 12,573.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,010.64 : 30,366.72 = 12,573.78 : x
2. Step 2: Convert to fraction form
   22,010.64/30,366.72 = 12,573.78/x
3. Step 3: Cross multiply
   22,010.64x = 30,366.72 × 12,573.78
4. Step 4: Simplify right side
   22,010.64x = 381,824,456.60
5. Step 5: Solve for x
   x = 381,824,456.60/22,010.64
6. Step 6: Final answer
   x = 17,347.27