Finding the Fourth Proportional to 22,101.39, 30,500.42 and 12,541.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,101.39 : 30,500.42 = 12,541.91 : x
2. Step 2: Convert to fraction form
   22,101.39/30,500.42 = 12,541.91/x
3. Step 3: Cross multiply
   22,101.39x = 30,500.42 × 12,541.91
4. Step 4: Simplify right side
   22,101.39x = 382,533,307.39
5. Step 5: Solve for x
   x = 382,533,307.39/22,101.39
6. Step 6: Final answer
   x = 17,308.11