Finding the Fourth Proportional to 9,018, 12,443.97 and 5,659.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018 : 12,443.97 = 5,659.74 : x
2. Step 2: Convert to fraction form
   9,018/12,443.97 = 5,659.74/x
3. Step 3: Cross multiply
   9,018x = 12,443.97 × 5,659.74
4. Step 4: Simplify right side
   9,018x = 70,429,634.77
5. Step 5: Solve for x
   x = 70,429,634.77/9,018
6. Step 6: Final answer
   x = 7,809.90