Finding the Fourth Proportional to 81,105.62, 121,621.34 and 24,926.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,105.62 : 121,621.34 = 24,926.15 : x
2. Step 2: Convert to fraction form
   81,105.62/121,621.34 = 24,926.15/x
3. Step 3: Cross multiply
   81,105.62x = 121,621.34 × 24,926.15
4. Step 4: Simplify right side
   81,105.62x = 3,031,551,031.30
5. Step 5: Solve for x
   x = 3,031,551,031.30/81,105.62
6. Step 6: Final answer
   x = 37,377.82