Finding the Fourth Proportional to 7,788.96, 10,749.17 and 5,134.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,788.96 : 10,749.17 = 5,134.46 : x
2. Step 2: Convert to fraction form
   7,788.96/10,749.17 = 5,134.46/x
3. Step 3: Cross multiply
   7,788.96x = 10,749.17 × 5,134.46
4. Step 4: Simplify right side
   7,788.96x = 55,191,142.49
5. Step 5: Solve for x
   x = 55,191,142.49/7,788.96
6. Step 6: Final answer
   x = 7,085.82