Finding the Fourth Proportional to 12,046.84, 16,626.72 and 7,572.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,046.84 : 16,626.72 = 7,572.40 : x
2. Step 2: Convert to fraction form
   12,046.84/16,626.72 = 7,572.40/x
3. Step 3: Cross multiply
   12,046.84x = 16,626.72 × 7,572.40
4. Step 4: Simplify right side
   12,046.84x = 125,904,174.53
5. Step 5: Solve for x
   x = 125,904,174.53/12,046.84
6. Step 6: Final answer
   x = 10,451.22