Finding the Fourth Proportional to 8,073.71, 11,145.50 and 5,389.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,073.71 : 11,145.50 = 5,389.46 : x
2. Step 2: Convert to fraction form
   8,073.71/11,145.50 = 5,389.46/x
3. Step 3: Cross multiply
   8,073.71x = 11,145.50 × 5,389.46
4. Step 4: Simplify right side
   8,073.71x = 60,068,205.76
5. Step 5: Solve for x
   x = 60,068,205.76/8,073.71
6. Step 6: Final answer
   x = 7,439.98