Finding the Fourth Proportional to 3,396.32, 5,088.72 and 2,705.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,396.32 : 5,088.72 = 2,705.12 : x
2. Step 2: Convert to fraction form
   3,396.32/5,088.72 = 2,705.12/x
3. Step 3: Cross multiply
   3,396.32x = 5,088.72 × 2,705.12
4. Step 4: Simplify right side
   3,396.32x = 13,765,598.25
5. Step 5: Solve for x
   x = 13,765,598.25/3,396.32
6. Step 6: Final answer
   x = 4,053.09