Finding the Fourth Proportional to 22,103.52, 30,499.32 and 12,670.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.52 : 30,499.32 = 12,670.32 : x
2. Step 2: Convert to fraction form
   22,103.52/30,499.32 = 12,670.32/x
3. Step 3: Cross multiply
   22,103.52x = 30,499.32 × 12,670.32
4. Step 4: Simplify right side
   22,103.52x = 386,436,144.18
5. Step 5: Solve for x
   x = 386,436,144.18/22,103.52
6. Step 6: Final answer
   x = 17,483.01