Finding the Fourth Proportional to 30,900.29, 42,642.42 and 16,753.19

Step by Step Solution

1. Step 1: Write the proportion equation
   30,900.29 : 42,642.42 = 16,753.19 : x
2. Step 2: Convert to fraction form
   30,900.29/42,642.42 = 16,753.19/x
3. Step 3: Cross multiply
   30,900.29x = 42,642.42 × 16,753.19
4. Step 4: Simplify right side
   30,900.29x = 714,396,564.32
5. Step 5: Solve for x
   x = 714,396,564.32/30,900.29
6. Step 6: Final answer
   x = 23,119.41