Finding the Fourth Proportional to 3,834.56, 5,294.76 and 3,539.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,834.56 : 5,294.76 = 3,539.72 : x
2. Step 2: Convert to fraction form
   3,834.56/5,294.76 = 3,539.72/x
3. Step 3: Cross multiply
   3,834.56x = 5,294.76 × 3,539.72
4. Step 4: Simplify right side
   3,834.56x = 18,741,967.87
5. Step 5: Solve for x
   x = 18,741,967.87/3,834.56
6. Step 6: Final answer
   x = 4,887.64