Finding the Fourth Proportional to 30,899.02, 42,643.12 and 17,473.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,899.02 : 42,643.12 = 17,473.10 : x
2. Step 2: Convert to fraction form
   30,899.02/42,643.12 = 17,473.10/x
3. Step 3: Cross multiply
   30,899.02x = 42,643.12 × 17,473.10
4. Step 4: Simplify right side
   30,899.02x = 745,107,500.07
5. Step 5: Solve for x
   x = 745,107,500.07/30,899.02
6. Step 6: Final answer
   x = 24,114.28