Finding the Fourth Proportional to 12,369.35, 17,070.39 and 7,065.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,369.35 : 17,070.39 = 7,065.89 : x
2. Step 2: Convert to fraction form
   12,369.35/17,070.39 = 7,065.89/x
3. Step 3: Cross multiply
   12,369.35x = 17,070.39 × 7,065.89
4. Step 4: Simplify right side
   12,369.35x = 120,617,498.00
5. Step 5: Solve for x
   x = 120,617,498.00/12,369.35
6. Step 6: Final answer
   x = 9,751.32