Finding the Fourth Proportional to 11,475.42, 17,216.39 and 5,931.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,475.42 : 17,216.39 = 5,931.78 : x
2. Step 2: Convert to fraction form
   11,475.42/17,216.39 = 5,931.78/x
3. Step 3: Cross multiply
   11,475.42x = 17,216.39 × 5,931.78
4. Step 4: Simplify right side
   11,475.42x = 102,123,837.87
5. Step 5: Solve for x
   x = 102,123,837.87/11,475.42
6. Step 6: Final answer
   x = 8,899.36