Finding the Fourth Proportional to 8,134.48, 12,191.82 and 2,934.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,134.48 : 12,191.82 = 2,934.28 : x
2. Step 2: Convert to fraction form
   8,134.48/12,191.82 = 2,934.28/x
3. Step 3: Cross multiply
   8,134.48x = 12,191.82 × 2,934.28
4. Step 4: Simplify right side
   8,134.48x = 35,774,213.59
5. Step 5: Solve for x
   x = 35,774,213.59/8,134.48
6. Step 6: Final answer
   x = 4,397.85