Finding the Fourth Proportional to 10,975.55, 15,146.29 and 5,939.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.55 : 15,146.29 = 5,939.77 : x
2. Step 2: Convert to fraction form
   10,975.55/15,146.29 = 5,939.77/x
3. Step 3: Cross multiply
   10,975.55x = 15,146.29 × 5,939.77
4. Step 4: Simplify right side
   10,975.55x = 89,965,434.31
5. Step 5: Solve for x
   x = 89,965,434.31/10,975.55
6. Step 6: Final answer
   x = 8,196.90