Finding the Fourth Proportional to 3,531.83, 5,290.55 and 2,834.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531.83 : 5,290.55 = 2,834.72 : x
2. Step 2: Convert to fraction form
   3,531.83/5,290.55 = 2,834.72/x
3. Step 3: Cross multiply
   3,531.83x = 5,290.55 × 2,834.72
4. Step 4: Simplify right side
   3,531.83x = 14,997,187.27
5. Step 5: Solve for x
   x = 14,997,187.27/3,531.83
6. Step 6: Final answer
   x = 4,246.30