Finding the Fourth Proportional to 13,150.07, 18,148.81 and 7,483.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.07 : 18,148.81 = 7,483.72 : x
2. Step 2: Convert to fraction form
   13,150.07/18,148.81 = 7,483.72/x
3. Step 3: Cross multiply
   13,150.07x = 18,148.81 × 7,483.72
4. Step 4: Simplify right side
   13,150.07x = 135,820,612.37
5. Step 5: Solve for x
   x = 135,820,612.37/13,150.07
6. Step 6: Final answer
   x = 10,328.51