Finding the Fourth Proportional to 12,584.44, 18,876.50 and 5,087.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584.44 : 18,876.50 = 5,087.89 : x
2. Step 2: Convert to fraction form
   12,584.44/18,876.50 = 5,087.89/x
3. Step 3: Cross multiply
   12,584.44x = 18,876.50 × 5,087.89
4. Step 4: Simplify right side
   12,584.44x = 96,041,435.76
5. Step 5: Solve for x
   x = 96,041,435.76/12,584.44
6. Step 6: Final answer
   x = 7,631.76