Finding the Fourth Proportional to 12,106.32, 16,707.60 and 7,391.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,106.32 : 16,707.60 = 7,391.52 : x
2. Step 2: Convert to fraction form
   12,106.32/16,707.60 = 7,391.52/x
3. Step 3: Cross multiply
   12,106.32x = 16,707.60 × 7,391.52
4. Step 4: Simplify right side
   12,106.32x = 123,494,559.55
5. Step 5: Solve for x
   x = 123,494,559.55/12,106.32
6. Step 6: Final answer
   x = 10,200.83