Finding the Fourth Proportional to 4,066.38, 5,611.55 and 2,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066.38 : 5,611.55 = 2,387.50 : x
2. Step 2: Convert to fraction form
   4,066.38/5,611.55 = 2,387.50/x
3. Step 3: Cross multiply
   4,066.38x = 5,611.55 × 2,387.50
4. Step 4: Simplify right side
   4,066.38x = 13,397,567.56
5. Step 5: Solve for x
   x = 13,397,567.56/4,066.38
6. Step 6: Final answer
   x = 3,294.72