Finding the Fourth Proportional to 22,243.00, 30,693.98 and 12,681.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,243.00 : 30,693.98 = 12,681.55 : x
2. Step 2: Convert to fraction form
   22,243.00/30,693.98 = 12,681.55/x
3. Step 3: Cross multiply
   22,243.00x = 30,693.98 × 12,681.55
4. Step 4: Simplify right side
   22,243.00x = 389,247,088.60
5. Step 5: Solve for x
   x = 389,247,088.60/22,243.00
6. Step 6: Final answer
   x = 17,499.76