Finding the Fourth Proportional to 5,004.32, 7,512.86 and 4,081.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,004.32 : 7,512.86 = 4,081.68 : x
2. Step 2: Convert to fraction form
   5,004.32/7,512.86 = 4,081.68/x
3. Step 3: Cross multiply
   5,004.32x = 7,512.86 × 4,081.68
4. Step 4: Simplify right side
   5,004.32x = 30,665,100.61
5. Step 5: Solve for x
   x = 30,665,100.61/5,004.32
6. Step 6: Final answer
   x = 6,127.72