Finding the Fourth Proportional to 6,772.10, 9,345.69 and 3,787.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,772.10 : 9,345.69 = 3,787.86 : x
2. Step 2: Convert to fraction form
   6,772.10/9,345.69 = 3,787.86/x
3. Step 3: Cross multiply
   6,772.10x = 9,345.69 × 3,787.86
4. Step 4: Simplify right side
   6,772.10x = 35,400,165.32
5. Step 5: Solve for x
   x = 35,400,165.32/6,772.10
6. Step 6: Final answer
   x = 5,227.36