Finding the Fourth Proportional to 12,598.98, 17,386.61 and 7,009.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,598.98 : 17,386.61 = 7,009.98 : x
2. Step 2: Convert to fraction form
   12,598.98/17,386.61 = 7,009.98/x
3. Step 3: Cross multiply
   12,598.98x = 17,386.61 × 7,009.98
4. Step 4: Simplify right side
   12,598.98x = 121,879,753.32
5. Step 5: Solve for x
   x = 121,879,753.32/12,598.98
6. Step 6: Final answer
   x = 9,673.78