Finding the Fourth Proportional to 12,073.53, 18,108.90 and 3,307.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,073.53 : 18,108.90 = 3,307.71 : x
2. Step 2: Convert to fraction form
   12,073.53/18,108.90 = 3,307.71/x
3. Step 3: Cross multiply
   12,073.53x = 18,108.90 × 3,307.71
4. Step 4: Simplify right side
   12,073.53x = 59,898,989.62
5. Step 5: Solve for x
   x = 59,898,989.62/12,073.53
6. Step 6: Final answer
   x = 4,961.18