Finding the Fourth Proportional to 8,870.76, 13,282.68 and 5,356.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.76 : 13,282.68 = 5,356.08 : x
2. Step 2: Convert to fraction form
   8,870.76/13,282.68 = 5,356.08/x
3. Step 3: Cross multiply
   8,870.76x = 13,282.68 × 5,356.08
4. Step 4: Simplify right side
   8,870.76x = 71,143,096.69
5. Step 5: Solve for x
   x = 71,143,096.69/8,870.76
6. Step 6: Final answer
   x = 8,019.96