Finding the Fourth Proportional to 5,156, 7,116.24 and 2,948

Step by Step Solution

1. Step 1: Write the proportion equation
   5,156 : 7,116.24 = 2,948 : x
2. Step 2: Convert to fraction form
   5,156/7,116.24 = 2,948/x
3. Step 3: Cross multiply
   5,156x = 7,116.24 × 2,948
4. Step 4: Simplify right side
   5,156x = 20,978,675.52
5. Step 5: Solve for x
   x = 20,978,675.52/5,156
6. Step 6: Final answer
   x = 4,068.79