Finding the Fourth Proportional to 22,926.78, 31,633.20 and 13,493.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,926.78 : 31,633.20 = 13,493.52 : x
2. Step 2: Convert to fraction form
   22,926.78/31,633.20 = 13,493.52/x
3. Step 3: Cross multiply
   22,926.78x = 31,633.20 × 13,493.52
4. Step 4: Simplify right side
   22,926.78x = 426,843,216.86
5. Step 5: Solve for x
   x = 426,843,216.86/22,926.78
6. Step 6: Final answer
   x = 18,617.67