Finding the Fourth Proportional to 8,432.94, 11,638.71 and 8,174.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,432.94 : 11,638.71 = 8,174.82 : x
2. Step 2: Convert to fraction form
   8,432.94/11,638.71 = 8,174.82/x
3. Step 3: Cross multiply
   8,432.94x = 11,638.71 × 8,174.82
4. Step 4: Simplify right side
   8,432.94x = 95,144,359.28
5. Step 5: Solve for x
   x = 95,144,359.28/8,432.94
6. Step 6: Final answer
   x = 11,282.47