Finding the Fourth Proportional to 11,807.18, 17,721.72 and 5,967.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.18 : 17,721.72 = 5,967.89 : x
2. Step 2: Convert to fraction form
   11,807.18/17,721.72 = 5,967.89/x
3. Step 3: Cross multiply
   11,807.18x = 17,721.72 × 5,967.89
4. Step 4: Simplify right side
   11,807.18x = 105,761,275.57
5. Step 5: Solve for x
   x = 105,761,275.57/11,807.18
6. Step 6: Final answer
   x = 8,957.37