Finding the Fourth Proportional to 22,131.71, 30,541.48 and 12,059.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.71 : 30,541.48 = 12,059.89 : x
2. Step 2: Convert to fraction form
   22,131.71/30,541.48 = 12,059.89/x
3. Step 3: Cross multiply
   22,131.71x = 30,541.48 × 12,059.89
4. Step 4: Simplify right side
   22,131.71x = 368,326,889.24
5. Step 5: Solve for x
   x = 368,326,889.24/22,131.71
6. Step 6: Final answer
   x = 16,642.50