Finding the Fourth Proportional to 8,191.71, 12,287.39 and 2,348.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,191.71 : 12,287.39 = 2,348.37 : x
2. Step 2: Convert to fraction form
   8,191.71/12,287.39 = 2,348.37/x
3. Step 3: Cross multiply
   8,191.71x = 12,287.39 × 2,348.37
4. Step 4: Simplify right side
   8,191.71x = 28,855,326.31
5. Step 5: Solve for x
   x = 28,855,326.31/8,191.71
6. Step 6: Final answer
   x = 3,522.50