Finding the Fourth Proportional to 30,654.31, 42,301.58 and 17,908.67

Step by Step Solution

1. Step 1: Write the proportion equation
   30,654.31 : 42,301.58 = 17,908.67 : x
2. Step 2: Convert to fraction form
   30,654.31/42,301.58 = 17,908.67/x
3. Step 3: Cross multiply
   30,654.31x = 42,301.58 × 17,908.67
4. Step 4: Simplify right side
   30,654.31x = 757,565,187.22
5. Step 5: Solve for x
   x = 757,565,187.22/30,654.31
6. Step 6: Final answer
   x = 24,713.17