Finding the Fourth Proportional to 5,158.96, 7,739.72 and 1,696.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158.96 : 7,739.72 = 1,696.12 : x
2. Step 2: Convert to fraction form
   5,158.96/7,739.72 = 1,696.12/x
3. Step 3: Cross multiply
   5,158.96x = 7,739.72 × 1,696.12
4. Step 4: Simplify right side
   5,158.96x = 13,127,493.89
5. Step 5: Solve for x
   x = 13,127,493.89/5,158.96
6. Step 6: Final answer
   x = 2,544.60