Finding the Fourth Proportional to 11,758.52, 17,638.19 and 5,911.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,758.52 : 17,638.19 = 5,911.94 : x
2. Step 2: Convert to fraction form
   11,758.52/17,638.19 = 5,911.94/x
3. Step 3: Cross multiply
   11,758.52x = 17,638.19 × 5,911.94
4. Step 4: Simplify right side
   11,758.52x = 104,275,957.69
5. Step 5: Solve for x
   x = 104,275,957.69/11,758.52
6. Step 6: Final answer
   x = 8,868.12