Finding the Fourth Proportional to 5,115.32, 7,667.46 and 2,477.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,115.32 : 7,667.46 = 2,477.24 : x
2. Step 2: Convert to fraction form
   5,115.32/7,667.46 = 2,477.24/x
3. Step 3: Cross multiply
   5,115.32x = 7,667.46 × 2,477.24
4. Step 4: Simplify right side
   5,115.32x = 18,994,100.27
5. Step 5: Solve for x
   x = 18,994,100.27/5,115.32
6. Step 6: Final answer
   x = 3,713.18