Finding the Fourth Proportional to 22,101.84, 30,501.90 and 12,671.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,101.84 : 30,501.90 = 12,671.82 : x
2. Step 2: Convert to fraction form
   22,101.84/30,501.90 = 12,671.82/x
3. Step 3: Cross multiply
   22,101.84x = 30,501.90 × 12,671.82
4. Step 4: Simplify right side
   22,101.84x = 386,514,586.46
5. Step 5: Solve for x
   x = 386,514,586.46/22,101.84
6. Step 6: Final answer
   x = 17,487.89