Finding the Fourth Proportional to 9,087.50, 12,540.06 and 5,107.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.50 : 12,540.06 = 5,107.83 : x
2. Step 2: Convert to fraction form
   9,087.50/12,540.06 = 5,107.83/x
3. Step 3: Cross multiply
   9,087.50x = 12,540.06 × 5,107.83
4. Step 4: Simplify right side
   9,087.50x = 64,052,494.67
5. Step 5: Solve for x
   x = 64,052,494.67/9,087.50
6. Step 6: Final answer
   x = 7,048.42