Finding the Fourth Proportional to 13,151.71, 18,150.33 and 7,488.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,151.71 : 18,150.33 = 7,488.29 : x
2. Step 2: Convert to fraction form
   13,151.71/18,150.33 = 7,488.29/x
3. Step 3: Cross multiply
   13,151.71x = 18,150.33 × 7,488.29
4. Step 4: Simplify right side
   13,151.71x = 135,915,008.09
5. Step 5: Solve for x
   x = 135,915,008.09/13,151.71
6. Step 6: Final answer
   x = 10,334.40