Finding the Fourth Proportional to 5,186.88, 7,158.88 and 3,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,186.88 : 7,158.88 = 3,062.72 : x
2. Step 2: Convert to fraction form
   5,186.88/7,158.88 = 3,062.72/x
3. Step 3: Cross multiply
   5,186.88x = 7,158.88 × 3,062.72
4. Step 4: Simplify right side
   5,186.88x = 21,925,644.95
5. Step 5: Solve for x
   x = 21,925,644.95/5,186.88
6. Step 6: Final answer
   x = 4,227.14