Finding the Fourth Proportional to 13,150.03, 18,153.30 and 8,437.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.03 : 18,153.30 = 8,437.18 : x
2. Step 2: Convert to fraction form
   13,150.03/18,153.30 = 8,437.18/x
3. Step 3: Cross multiply
   13,150.03x = 18,153.30 × 8,437.18
4. Step 4: Simplify right side
   13,150.03x = 153,162,659.69
5. Step 5: Solve for x
   x = 153,162,659.69/13,150.03
6. Step 6: Final answer
   x = 11,647.32