Finding the Fourth Proportional to 12,899.04, 17,800.61 and 7,233.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,899.04 : 17,800.61 = 7,233.79 : x
2. Step 2: Convert to fraction form
   12,899.04/17,800.61 = 7,233.79/x
3. Step 3: Cross multiply
   12,899.04x = 17,800.61 × 7,233.79
4. Step 4: Simplify right side
   12,899.04x = 128,765,785.61
5. Step 5: Solve for x
   x = 128,765,785.61/12,899.04
6. Step 6: Final answer
   x = 9,982.59