Finding the Fourth Proportional to 11,796.06, 17,695.43 and 3,899.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,796.06 : 17,695.43 = 3,899.61 : x
2. Step 2: Convert to fraction form
   11,796.06/17,695.43 = 3,899.61/x
3. Step 3: Cross multiply
   11,796.06x = 17,695.43 × 3,899.61
4. Step 4: Simplify right side
   11,796.06x = 69,005,270.91
5. Step 5: Solve for x
   x = 69,005,270.91/11,796.06
6. Step 6: Final answer
   x = 5,849.86