Finding the Fourth Proportional to 5,158.56, 7,738.56 and 1,695.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158.56 : 7,738.56 = 1,695.12 : x
2. Step 2: Convert to fraction form
   5,158.56/7,738.56 = 1,695.12/x
3. Step 3: Cross multiply
   5,158.56x = 7,738.56 × 1,695.12
4. Step 4: Simplify right side
   5,158.56x = 13,117,787.83
5. Step 5: Solve for x
   x = 13,117,787.83/5,158.56
6. Step 6: Final answer
   x = 2,542.92