Finding the Fourth Proportional to 6,360.71, 8,777.59 and 3,528.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,360.71 : 8,777.59 = 3,528.07 : x
2. Step 2: Convert to fraction form
   6,360.71/8,777.59 = 3,528.07/x
3. Step 3: Cross multiply
   6,360.71x = 8,777.59 × 3,528.07
4. Step 4: Simplify right side
   6,360.71x = 30,967,921.19
5. Step 5: Solve for x
   x = 30,967,921.19/6,360.71
6. Step 6: Final answer
   x = 4,868.63