Finding the Fourth Proportional to 8,451.32, 12,669.72 and 4,750.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,451.32 : 12,669.72 = 4,750.52 : x
2. Step 2: Convert to fraction form
   8,451.32/12,669.72 = 4,750.52/x
3. Step 3: Cross multiply
   8,451.32x = 12,669.72 × 4,750.52
4. Step 4: Simplify right side
   8,451.32x = 60,187,758.25
5. Step 5: Solve for x
   x = 60,187,758.25/8,451.32
6. Step 6: Final answer
   x = 7,121.70