Finding the Fourth Proportional to 12,045.72, 16,622.91 and 6,740.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,045.72 : 16,622.91 = 6,740.52 : x
2. Step 2: Convert to fraction form
   12,045.72/16,622.91 = 6,740.52/x
3. Step 3: Cross multiply
   12,045.72x = 16,622.91 × 6,740.52
4. Step 4: Simplify right side
   12,045.72x = 112,047,057.31
5. Step 5: Solve for x
   x = 112,047,057.31/12,045.72
6. Step 6: Final answer
   x = 9,301.81