Finding the Fourth Proportional to 3,412.16, 5,093.32 and 2,928.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412.16 : 5,093.32 = 2,928.32 : x
2. Step 2: Convert to fraction form
   3,412.16/5,093.32 = 2,928.32/x
3. Step 3: Cross multiply
   3,412.16x = 5,093.32 × 2,928.32
4. Step 4: Simplify right side
   3,412.16x = 14,914,870.82
5. Step 5: Solve for x
   x = 14,914,870.82/3,412.16
6. Step 6: Final answer
   x = 4,371.09