Finding the Fourth Proportional to 8,870.72, 13,306.88 and 2,296.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.72 : 13,306.88 = 2,296.88 : x
2. Step 2: Convert to fraction form
   8,870.72/13,306.88 = 2,296.88/x
3. Step 3: Cross multiply
   8,870.72x = 13,306.88 × 2,296.88
4. Step 4: Simplify right side
   8,870.72x = 30,564,306.53
5. Step 5: Solve for x
   x = 30,564,306.53/8,870.72
6. Step 6: Final answer
   x = 3,445.53