Finding the Fourth Proportional to 8,797.31, 13,196.10 and 2,874.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,797.31 : 13,196.10 = 2,874.17 : x
2. Step 2: Convert to fraction form
   8,797.31/13,196.10 = 2,874.17/x
3. Step 3: Cross multiply
   8,797.31x = 13,196.10 × 2,874.17
4. Step 4: Simplify right side
   8,797.31x = 37,927,834.74
5. Step 5: Solve for x
   x = 37,927,834.74/8,797.31
6. Step 6: Final answer
   x = 4,311.30