Finding the Fourth Proportional to 30,899.99, 42,641.84 and 17,471.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,899.99 : 42,641.84 = 17,471.27 : x
2. Step 2: Convert to fraction form
   30,899.99/42,641.84 = 17,471.27/x
3. Step 3: Cross multiply
   30,899.99x = 42,641.84 × 17,471.27
4. Step 4: Simplify right side
   30,899.99x = 745,007,250.22
5. Step 5: Solve for x
   x = 745,007,250.22/30,899.99
6. Step 6: Final answer
   x = 24,110.27