Finding the Fourth Proportional to 11,640.33, 17,462.72 and 4,618.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,640.33 : 17,462.72 = 4,618.94 : x
2. Step 2: Convert to fraction form
   11,640.33/17,462.72 = 4,618.94/x
3. Step 3: Cross multiply
   11,640.33x = 17,462.72 × 4,618.94
4. Step 4: Simplify right side
   11,640.33x = 80,659,145.51
5. Step 5: Solve for x
   x = 80,659,145.51/11,640.33
6. Step 6: Final answer
   x = 6,929.28