Finding the Fourth Proportional to 8,870.34, 13,302.81 and 3,675

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.34 : 13,302.81 = 3,675 : x
2. Step 2: Convert to fraction form
   8,870.34/13,302.81 = 3,675/x
3. Step 3: Cross multiply
   8,870.34x = 13,302.81 × 3,675
4. Step 4: Simplify right side
   8,870.34x = 48,887,826.75
5. Step 5: Solve for x
   x = 48,887,826.75/8,870.34
6. Step 6: Final answer
   x = 5,511.38