Finding the Fourth Proportional to 11,640.52, 16,069.62 and 7,933.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,640.52 : 16,069.62 = 7,933.96 : x
2. Step 2: Convert to fraction form
   11,640.52/16,069.62 = 7,933.96/x
3. Step 3: Cross multiply
   11,640.52x = 16,069.62 × 7,933.96
4. Step 4: Simplify right side
   11,640.52x = 127,495,722.30
5. Step 5: Solve for x
   x = 127,495,722.30/11,640.52
6. Step 6: Final answer
   x = 10,952.75