Finding the Fourth Proportional to 4,476.96, 6,178.59 and 2,487.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,476.96 : 6,178.59 = 2,487.89 : x
2. Step 2: Convert to fraction form
   4,476.96/6,178.59 = 2,487.89/x
3. Step 3: Cross multiply
   4,476.96x = 6,178.59 × 2,487.89
4. Step 4: Simplify right side
   4,476.96x = 15,371,667.72
5. Step 5: Solve for x
   x = 15,371,667.72/4,476.96
6. Step 6: Final answer
   x = 3,433.51