Finding the Fourth Proportional to 6,308.88, 8,703.72 and 3,820.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.88 : 8,703.72 = 3,820.56 : x
2. Step 2: Convert to fraction form
   6,308.88/8,703.72 = 3,820.56/x
3. Step 3: Cross multiply
   6,308.88x = 8,703.72 × 3,820.56
4. Step 4: Simplify right side
   6,308.88x = 33,253,084.48
5. Step 5: Solve for x
   x = 33,253,084.48/6,308.88
6. Step 6: Final answer
   x = 5,270.84