Finding the Fourth Proportional to 23,978.26, 33,068.55 and 15,026.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,978.26 : 33,068.55 = 15,026.74 : x
2. Step 2: Convert to fraction form
   23,978.26/33,068.55 = 15,026.74/x
3. Step 3: Cross multiply
   23,978.26x = 33,068.55 × 15,026.74
4. Step 4: Simplify right side
   23,978.26x = 496,912,503.03
5. Step 5: Solve for x
   x = 496,912,503.03/23,978.26
6. Step 6: Final answer
   x = 20,723.46