Finding the Fourth Proportional to 12,573.50, 17,351.98 and 6,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.50 : 17,351.98 = 6,984.50 : x
2. Step 2: Convert to fraction form
   12,573.50/17,351.98 = 6,984.50/x
3. Step 3: Cross multiply
   12,573.50x = 17,351.98 × 6,984.50
4. Step 4: Simplify right side
   12,573.50x = 121,194,904.31
5. Step 5: Solve for x
   x = 121,194,904.31/12,573.50
6. Step 6: Final answer
   x = 9,638.92