Finding the Fourth Proportional to 30,934.50, 42,687.57 and 17,507.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,934.50 : 42,687.57 = 17,507.13 : x
2. Step 2: Convert to fraction form
   30,934.50/42,687.57 = 17,507.13/x
3. Step 3: Cross multiply
   30,934.50x = 42,687.57 × 17,507.13
4. Step 4: Simplify right side
   30,934.50x = 747,336,837.37
5. Step 5: Solve for x
   x = 747,336,837.37/30,934.50
6. Step 6: Final answer
   x = 24,158.68