Finding the Fourth Proportional to 22,101.24, 30,499.88 and 12,670.44

Step by Step Solution

1. Step 1: Write the proportion equation
   22,101.24 : 30,499.88 = 12,670.44 : x
2. Step 2: Convert to fraction form
   22,101.24/30,499.88 = 12,670.44/x
3. Step 3: Cross multiply
   22,101.24x = 30,499.88 × 12,670.44
4. Step 4: Simplify right side
   22,101.24x = 386,446,899.55
5. Step 5: Solve for x
   x = 386,446,899.55/22,101.24
6. Step 6: Final answer
   x = 17,485.30