Finding the Fourth Proportional to 30,546.77, 42,160.43 and 17,124.05

Step by Step Solution

1. Step 1: Write the proportion equation
   30,546.77 : 42,160.43 = 17,124.05 : x
2. Step 2: Convert to fraction form
   30,546.77/42,160.43 = 17,124.05/x
3. Step 3: Cross multiply
   30,546.77x = 42,160.43 × 17,124.05
4. Step 4: Simplify right side
   30,546.77x = 721,957,459.55
5. Step 5: Solve for x
   x = 721,957,459.55/30,546.77
6. Step 6: Final answer
   x = 23,634.50