Finding the Fourth Proportional to 7,756.83, 11,547.52 and 7,710.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,756.83 : 11,547.52 = 7,710.71 : x
2. Step 2: Convert to fraction form
   7,756.83/11,547.52 = 7,710.71/x
3. Step 3: Cross multiply
   7,756.83x = 11,547.52 × 7,710.71
4. Step 4: Simplify right side
   7,756.83x = 89,039,500.92
5. Step 5: Solve for x
   x = 89,039,500.92/7,756.83
6. Step 6: Final answer
   x = 11,478.85