Finding the Fourth Proportional to 13,074.71, 18,045.71 and 8,300.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.71 : 18,045.71 = 8,300.34 : x
2. Step 2: Convert to fraction form
   13,074.71/18,045.71 = 8,300.34/x
3. Step 3: Cross multiply
   13,074.71x = 18,045.71 × 8,300.34
4. Step 4: Simplify right side
   13,074.71x = 149,785,487.04
5. Step 5: Solve for x
   x = 149,785,487.04/13,074.71
6. Step 6: Final answer
   x = 11,456.13