Finding the Fourth Proportional to 11,850.12, 16,350.86 and 7,134.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,850.12 : 16,350.86 = 7,134.71 : x
2. Step 2: Convert to fraction form
   11,850.12/16,350.86 = 7,134.71/x
3. Step 3: Cross multiply
   11,850.12x = 16,350.86 × 7,134.71
4. Step 4: Simplify right side
   11,850.12x = 116,658,580.43
5. Step 5: Solve for x
   x = 116,658,580.43/11,850.12
6. Step 6: Final answer
   x = 9,844.51