Finding the Fourth Proportional to 5,568.84, 8,312.61 and 5,162.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,568.84 : 8,312.61 = 5,162.76 : x
2. Step 2: Convert to fraction form
   5,568.84/8,312.61 = 5,162.76/x
3. Step 3: Cross multiply
   5,568.84x = 8,312.61 × 5,162.76
4. Step 4: Simplify right side
   5,568.84x = 42,916,010.40
5. Step 5: Solve for x
   x = 42,916,010.40/5,568.84
6. Step 6: Final answer
   x = 7,706.45