Finding the Fourth Proportional to 22,109.18, 30,510.57 and 12,549.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.18 : 30,510.57 = 12,549.16 : x
2. Step 2: Convert to fraction form
   22,109.18/30,510.57 = 12,549.16/x
3. Step 3: Cross multiply
   22,109.18x = 30,510.57 × 12,549.16
4. Step 4: Simplify right side
   22,109.18x = 382,882,024.62
5. Step 5: Solve for x
   x = 382,882,024.62/22,109.18
6. Step 6: Final answer
   x = 17,317.78