Finding the Fourth Proportional to 11,961.57, 17,942.00 and 5,726.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,961.57 : 17,942.00 = 5,726.01 : x
2. Step 2: Convert to fraction form
   11,961.57/17,942.00 = 5,726.01/x
3. Step 3: Cross multiply
   11,961.57x = 17,942.00 × 5,726.01
4. Step 4: Simplify right side
   11,961.57x = 102,736,042.79
5. Step 5: Solve for x
   x = 102,736,042.79/11,961.57
6. Step 6: Final answer
   x = 8,588.84