Finding the Fourth Proportional to 6,772.30, 9,345.56 and 3,788.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,772.30 : 9,345.56 = 3,788.18 : x
2. Step 2: Convert to fraction form
   6,772.30/9,345.56 = 3,788.18/x
3. Step 3: Cross multiply
   6,772.30x = 9,345.56 × 3,788.18
4. Step 4: Simplify right side
   6,772.30x = 35,402,644.54
5. Step 5: Solve for x
   x = 35,402,644.54/6,772.30
6. Step 6: Final answer
   x = 5,227.57