Finding the Fourth Proportional to 33,085.50, 45,658.82 and 17,978

Step by Step Solution

1. Step 1: Write the proportion equation
   33,085.50 : 45,658.82 = 17,978 : x
2. Step 2: Convert to fraction form
   33,085.50/45,658.82 = 17,978/x
3. Step 3: Cross multiply
   33,085.50x = 45,658.82 × 17,978
4. Step 4: Simplify right side
   33,085.50x = 820,854,265.96
5. Step 5: Solve for x
   x = 820,854,265.96/33,085.50
6. Step 6: Final answer
   x = 24,810.09