Finding the Fourth Proportional to 12,370.30, 17,072.24 and 7,065.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,370.30 : 17,072.24 = 7,065.91 : x
2. Step 2: Convert to fraction form
   12,370.30/17,072.24 = 7,065.91/x
3. Step 3: Cross multiply
   12,370.30x = 17,072.24 × 7,065.91
4. Step 4: Simplify right side
   12,370.30x = 120,630,876.01
5. Step 5: Solve for x
   x = 120,630,876.01/12,370.30
6. Step 6: Final answer
   x = 9,751.65