Finding the Fourth Proportional to 5,300.15, 7,950.02 and 2,179.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.15 : 7,950.02 = 2,179.28 : x
2. Step 2: Convert to fraction form
   5,300.15/7,950.02 = 2,179.28/x
3. Step 3: Cross multiply
   5,300.15x = 7,950.02 × 2,179.28
4. Step 4: Simplify right side
   5,300.15x = 17,325,328.56
5. Step 5: Solve for x
   x = 17,325,328.56/5,300.15
6. Step 6: Final answer
   x = 3,268.84