Finding the Fourth Proportional to 90,978.43, 136,448.82 and 24,402.73

Step by Step Solution

1. Step 1: Write the proportion equation
   90,978.43 : 136,448.82 = 24,402.73 : x
2. Step 2: Convert to fraction form
   90,978.43/136,448.82 = 24,402.73/x
3. Step 3: Cross multiply
   90,978.43x = 136,448.82 × 24,402.73
4. Step 4: Simplify right side
   90,978.43x = 3,329,723,713.28
5. Step 5: Solve for x
   x = 3,329,723,713.28/90,978.43
6. Step 6: Final answer
   x = 36,599.05