Finding the Fourth Proportional to 30,875.32, 42,608.84 and 17,447.16

Step by Step Solution

1. Step 1: Write the proportion equation
   30,875.32 : 42,608.84 = 17,447.16 : x
2. Step 2: Convert to fraction form
   30,875.32/42,608.84 = 17,447.16/x
3. Step 3: Cross multiply
   30,875.32x = 42,608.84 × 17,447.16
4. Step 4: Simplify right side
   30,875.32x = 743,403,248.89
5. Step 5: Solve for x
   x = 743,403,248.89/30,875.32
6. Step 6: Final answer
   x = 24,077.59