Finding the Fourth Proportional to 30,886.47, 42,624.21 and 17,458.29

Step by Step Solution

1. Step 1: Write the proportion equation
   30,886.47 : 42,624.21 = 17,458.29 : x
2. Step 2: Convert to fraction form
   30,886.47/42,624.21 = 17,458.29/x
3. Step 3: Cross multiply
   30,886.47x = 42,624.21 × 17,458.29
4. Step 4: Simplify right side
   30,886.47x = 744,145,819.20
5. Step 5: Solve for x
   x = 744,145,819.20/30,886.47
6. Step 6: Final answer
   x = 24,092.94