Finding the Fourth Proportional to 6,659.99, 9,190.55 and 3,789.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,659.99 : 9,190.55 = 3,789.02 : x
2. Step 2: Convert to fraction form
   6,659.99/9,190.55 = 3,789.02/x
3. Step 3: Cross multiply
   6,659.99x = 9,190.55 × 3,789.02
4. Step 4: Simplify right side
   6,659.99x = 34,823,158.82
5. Step 5: Solve for x
   x = 34,823,158.82/6,659.99
6. Step 6: Final answer
   x = 5,228.71