Finding the Fourth Proportional to 6,771.99, 9,345.80 and 3,788.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,771.99 : 9,345.80 = 3,788.10 : x
2. Step 2: Convert to fraction form
   6,771.99/9,345.80 = 3,788.10/x
3. Step 3: Cross multiply
   6,771.99x = 9,345.80 × 3,788.10
4. Step 4: Simplify right side
   6,771.99x = 35,402,834.45
5. Step 5: Solve for x
   x = 35,402,834.45/6,771.99
6. Step 6: Final answer
   x = 5,227.83