Finding the Fourth Proportional to 8,065.17, 12,097.74 and 5,291.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,065.17 : 12,097.74 = 5,291.18 : x
2. Step 2: Convert to fraction form
   8,065.17/12,097.74 = 5,291.18/x
3. Step 3: Cross multiply
   8,065.17x = 12,097.74 × 5,291.18
4. Step 4: Simplify right side
   8,065.17x = 64,011,294.89
5. Step 5: Solve for x
   x = 64,011,294.89/8,065.17
6. Step 6: Final answer
   x = 7,936.76