Finding the Fourth Proportional to 11,662.52, 17,495.90 and 4,640.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.52 : 17,495.90 = 4,640.29 : x
2. Step 2: Convert to fraction form
   11,662.52/17,495.90 = 4,640.29/x
3. Step 3: Cross multiply
   11,662.52x = 17,495.90 × 4,640.29
4. Step 4: Simplify right side
   11,662.52x = 81,186,000.27
5. Step 5: Solve for x
   x = 81,186,000.27/11,662.52
6. Step 6: Final answer
   x = 6,961.28