Finding the Fourth Proportional to 6,422.82, 8,863.20 and 3,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422.82 : 8,863.20 = 3,772.50 : x
2. Step 2: Convert to fraction form
   6,422.82/8,863.20 = 3,772.50/x
3. Step 3: Cross multiply
   6,422.82x = 8,863.20 × 3,772.50
4. Step 4: Simplify right side
   6,422.82x = 33,436,422.00
5. Step 5: Solve for x
   x = 33,436,422.00/6,422.82
6. Step 6: Final answer
   x = 5,205.88