Finding the Fourth Proportional to 8,711.81, 12,024.06 and 5,174.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,711.81 : 12,024.06 = 5,174.34 : x
2. Step 2: Convert to fraction form
   8,711.81/12,024.06 = 5,174.34/x
3. Step 3: Cross multiply
   8,711.81x = 12,024.06 × 5,174.34
4. Step 4: Simplify right side
   8,711.81x = 62,216,577.76
5. Step 5: Solve for x
   x = 62,216,577.76/8,711.81
6. Step 6: Final answer
   x = 7,141.63