Finding the Fourth Proportional to 9,100.50, 13,650.74 and 2,861.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,100.50 : 13,650.74 = 2,861.06 : x
2. Step 2: Convert to fraction form
   9,100.50/13,650.74 = 2,861.06/x
3. Step 3: Cross multiply
   9,100.50x = 13,650.74 × 2,861.06
4. Step 4: Simplify right side
   9,100.50x = 39,055,562.86
5. Step 5: Solve for x
   x = 39,055,562.86/9,100.50
6. Step 6: Final answer
   x = 4,291.58