Finding the Fourth Proportional to 8,771.27, 13,156.72 and 2,848.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,771.27 : 13,156.72 = 2,848.15 : x
2. Step 2: Convert to fraction form
   8,771.27/13,156.72 = 2,848.15/x
3. Step 3: Cross multiply
   8,771.27x = 13,156.72 × 2,848.15
4. Step 4: Simplify right side
   8,771.27x = 37,472,312.07
5. Step 5: Solve for x
   x = 37,472,312.07/8,771.27
6. Step 6: Final answer
   x = 4,272.16