Finding the Fourth Proportional to 6,353.51, 8,767.61 and 3,520.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,353.51 : 8,767.61 = 3,520.81 : x
2. Step 2: Convert to fraction form
   6,353.51/8,767.61 = 3,520.81/x
3. Step 3: Cross multiply
   6,353.51x = 8,767.61 × 3,520.81
4. Step 4: Simplify right side
   6,353.51x = 30,869,094.40
5. Step 5: Solve for x
   x = 30,869,094.40/6,353.51
6. Step 6: Final answer
   x = 4,858.59