Finding the Fourth Proportional to 30,899.03, 42,643.04 and 17,471.79

Step by Step Solution

1. Step 1: Write the proportion equation
   30,899.03 : 42,643.04 = 17,471.79 : x
2. Step 2: Convert to fraction form
   30,899.03/42,643.04 = 17,471.79/x
3. Step 3: Cross multiply
   30,899.03x = 42,643.04 × 17,471.79
4. Step 4: Simplify right side
   30,899.03x = 745,050,152.48
5. Step 5: Solve for x
   x = 745,050,152.48/30,899.03
6. Step 6: Final answer
   x = 24,112.42