Finding the Fourth Proportional to 9,193.82, 13,789.47 and 3,999.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,193.82 : 13,789.47 = 3,999.02 : x
2. Step 2: Convert to fraction form
   9,193.82/13,789.47 = 3,999.02/x
3. Step 3: Cross multiply
   9,193.82x = 13,789.47 × 3,999.02
4. Step 4: Simplify right side
   9,193.82x = 55,144,366.32
5. Step 5: Solve for x
   x = 55,144,366.32/9,193.82
6. Step 6: Final answer
   x = 5,997.98