Finding the Fourth Proportional to 30,965.30, 42,732.68 and 17,539.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,965.30 : 42,732.68 = 17,539.34 : x
2. Step 2: Convert to fraction form
   30,965.30/42,732.68 = 17,539.34/x
3. Step 3: Cross multiply
   30,965.30x = 42,732.68 × 17,539.34
4. Step 4: Simplify right side
   30,965.30x = 749,502,702.27
5. Step 5: Solve for x
   x = 749,502,702.27/30,965.30
6. Step 6: Final answer
   x = 24,204.60