Finding the Fourth Proportional to 3,820.50, 5,268.69 and 3,522.66

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.50 : 5,268.69 = 3,522.66 : x
2. Step 2: Convert to fraction form
   3,820.50/5,268.69 = 3,522.66/x
3. Step 3: Cross multiply
   3,820.50x = 5,268.69 × 3,522.66
4. Step 4: Simplify right side
   3,820.50x = 18,559,803.52
5. Step 5: Solve for x
   x = 18,559,803.52/3,820.50
6. Step 6: Final answer
   x = 4,857.95