Finding the Fourth Proportional to 30,934.68, 42,689.83 and 17,505.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,934.68 : 42,689.83 = 17,505.69 : x
2. Step 2: Convert to fraction form
   30,934.68/42,689.83 = 17,505.69/x
3. Step 3: Cross multiply
   30,934.68x = 42,689.83 × 17,505.69
4. Step 4: Simplify right side
   30,934.68x = 747,314,672.92
5. Step 5: Solve for x
   x = 747,314,672.92/30,934.68
6. Step 6: Final answer
   x = 24,157.83