Finding the Fourth Proportional to 12,598.50, 17,385.94 and 7,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,598.50 : 17,385.94 = 7,009.50 : x
2. Step 2: Convert to fraction form
   12,598.50/17,385.94 = 7,009.50/x
3. Step 3: Cross multiply
   12,598.50x = 17,385.94 × 7,009.50
4. Step 4: Simplify right side
   12,598.50x = 121,866,746.43
5. Step 5: Solve for x
   x = 121,866,746.43/12,598.50
6. Step 6: Final answer
   x = 9,673.12