Finding the Fourth Proportional to 22,108.52, 30,508.86 and 12,670.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,108.52 : 30,508.86 = 12,670.52 : x
2. Step 2: Convert to fraction form
   22,108.52/30,508.86 = 12,670.52/x
3. Step 3: Cross multiply
   22,108.52x = 30,508.86 × 12,670.52
4. Step 4: Simplify right side
   22,108.52x = 386,563,120.81
5. Step 5: Solve for x
   x = 386,563,120.81/22,108.52
6. Step 6: Final answer
   x = 17,484.80