Finding the Fourth Proportional to 8,288.31, 11,429.77 and 5,303.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,288.31 : 11,429.77 = 5,303.06 : x
2. Step 2: Convert to fraction form
   8,288.31/11,429.77 = 5,303.06/x
3. Step 3: Cross multiply
   8,288.31x = 11,429.77 × 5,303.06
4. Step 4: Simplify right side
   8,288.31x = 60,612,756.10
5. Step 5: Solve for x
   x = 60,612,756.10/8,288.31
6. Step 6: Final answer
   x = 7,313.04