Finding the Fourth Proportional to 9,012.08, 13,520.56 and 2,771.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.08 : 13,520.56 = 2,771.96 : x
2. Step 2: Convert to fraction form
   9,012.08/13,520.56 = 2,771.96/x
3. Step 3: Cross multiply
   9,012.08x = 13,520.56 × 2,771.96
4. Step 4: Simplify right side
   9,012.08x = 37,478,451.50
5. Step 5: Solve for x
   x = 37,478,451.50/9,012.08
6. Step 6: Final answer
   x = 4,158.69