Finding the Fourth Proportional to 22,126.31, 30,534.18 and 12,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,126.31 : 30,534.18 = 12,054.72 : x
2. Step 2: Convert to fraction form
   22,126.31/30,534.18 = 12,054.72/x
3. Step 3: Cross multiply
   22,126.31x = 30,534.18 × 12,054.72
4. Step 4: Simplify right side
   22,126.31x = 368,080,990.33
5. Step 5: Solve for x
   x = 368,080,990.33/22,126.31
6. Step 6: Final answer
   x = 16,635.44