Finding the Fourth Proportional to 9,173.25, 12,659.10 and 4,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.25 : 12,659.10 = 4,981.50 : x
2. Step 2: Convert to fraction form
   9,173.25/12,659.10 = 4,981.50/x
3. Step 3: Cross multiply
   9,173.25x = 12,659.10 × 4,981.50
4. Step 4: Simplify right side
   9,173.25x = 63,061,306.65
5. Step 5: Solve for x
   x = 63,061,306.65/9,173.25
6. Step 6: Final answer
   x = 6,874.48