Finding the Fourth Proportional to 12,008.39, 18,002.34 and 4,607.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.39 : 18,002.34 = 4,607.69 : x
2. Step 2: Convert to fraction form
   12,008.39/18,002.34 = 4,607.69/x
3. Step 3: Cross multiply
   12,008.39x = 18,002.34 × 4,607.69
4. Step 4: Simplify right side
   12,008.39x = 82,949,111.98
5. Step 5: Solve for x
   x = 82,949,111.98/12,008.39
6. Step 6: Final answer
   x = 6,907.60