Finding the Fourth Proportional to 8,688.82, 13,033.84 and 3,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,688.82 : 13,033.84 = 3,494.72 : x
2. Step 2: Convert to fraction form
   8,688.82/13,033.84 = 3,494.72/x
3. Step 3: Cross multiply
   8,688.82x = 13,033.84 × 3,494.72
4. Step 4: Simplify right side
   8,688.82x = 45,549,621.32
5. Step 5: Solve for x
   x = 45,549,621.32/8,688.82
6. Step 6: Final answer
   x = 5,242.33