Finding the Fourth Proportional to 13,350.83, 18,424.43 and 7,382.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,350.83 : 18,424.43 = 7,382.91 : x
2. Step 2: Convert to fraction form
   13,350.83/18,424.43 = 7,382.91/x
3. Step 3: Cross multiply
   13,350.83x = 18,424.43 × 7,382.91
4. Step 4: Simplify right side
   13,350.83x = 136,025,968.35
5. Step 5: Solve for x
   x = 136,025,968.35/13,350.83
6. Step 6: Final answer
   x = 10,188.58