Finding the Fourth Proportional to 11,640.72, 17,461.06 and 5,065.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,640.72 : 17,461.06 = 5,065.36 : x
2. Step 2: Convert to fraction form
   11,640.72/17,461.06 = 5,065.36/x
3. Step 3: Cross multiply
   11,640.72x = 17,461.06 × 5,065.36
4. Step 4: Simplify right side
   11,640.72x = 88,446,554.88
5. Step 5: Solve for x
   x = 88,446,554.88/11,640.72
6. Step 6: Final answer
   x = 7,598.03