Finding the Fourth Proportional to 6,321.60, 8,722.56 and 3,526.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,321.60 : 8,722.56 = 3,526.56 : x
2. Step 2: Convert to fraction form
   6,321.60/8,722.56 = 3,526.56/x
3. Step 3: Cross multiply
   6,321.60x = 8,722.56 × 3,526.56
4. Step 4: Simplify right side
   6,321.60x = 30,760,631.19
5. Step 5: Solve for x
   x = 30,760,631.19/6,321.60
6. Step 6: Final answer
   x = 4,865.96