Finding the Fourth Proportional to 22,426.27, 30,941.40 and 12,993.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,426.27 : 30,941.40 = 12,993.01 : x
2. Step 2: Convert to fraction form
   22,426.27/30,941.40 = 12,993.01/x
3. Step 3: Cross multiply
   22,426.27x = 30,941.40 × 12,993.01
4. Step 4: Simplify right side
   22,426.27x = 402,021,919.61
5. Step 5: Solve for x
   x = 402,021,919.61/22,426.27
6. Step 6: Final answer
   x = 17,926.38