Finding the Fourth Proportional to 12,048.78, 16,626.42 and 7,013.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048.78 : 16,626.42 = 7,013.04 : x
2. Step 2: Convert to fraction form
   12,048.78/16,626.42 = 7,013.04/x
3. Step 3: Cross multiply
   12,048.78x = 16,626.42 × 7,013.04
4. Step 4: Simplify right side
   12,048.78x = 116,601,748.52
5. Step 5: Solve for x
   x = 116,601,748.52/12,048.78
6. Step 6: Final answer
   x = 9,677.47