Finding the Fourth Proportional to 8,871.72, 13,307.56 and 2,298.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.72 : 13,307.56 = 2,298.56 : x
2. Step 2: Convert to fraction form
   8,871.72/13,307.56 = 2,298.56/x
3. Step 3: Cross multiply
   8,871.72x = 13,307.56 × 2,298.56
4. Step 4: Simplify right side
   8,871.72x = 30,588,225.11
5. Step 5: Solve for x
   x = 30,588,225.11/8,871.72
6. Step 6: Final answer
   x = 3,447.83