Finding the Fourth Proportional to 11,801.18, 17,712.72 and 5,961.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,801.18 : 17,712.72 = 5,961.89 : x
2. Step 2: Convert to fraction form
   11,801.18/17,712.72 = 5,961.89/x
3. Step 3: Cross multiply
   11,801.18x = 17,712.72 × 5,961.89
4. Step 4: Simplify right side
   11,801.18x = 105,601,288.24
5. Step 5: Solve for x
   x = 105,601,288.24/11,801.18
6. Step 6: Final answer
   x = 8,948.37