Finding the Fourth Proportional to 12,354.74, 17,049.64 and 7,049.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,354.74 : 17,049.64 = 7,049.52 : x
2. Step 2: Convert to fraction form
   12,354.74/17,049.64 = 7,049.52/x
3. Step 3: Cross multiply
   12,354.74x = 17,049.64 × 7,049.52
4. Step 4: Simplify right side
   12,354.74x = 120,191,778.17
5. Step 5: Solve for x
   x = 120,191,778.17/12,354.74
6. Step 6: Final answer
   x = 9,728.39