Finding the Fourth Proportional to 10,093.62, 15,121.32 and 5,697.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,093.62 : 15,121.32 = 5,697.72 : x
2. Step 2: Convert to fraction form
   10,093.62/15,121.32 = 5,697.72/x
3. Step 3: Cross multiply
   10,093.62x = 15,121.32 × 5,697.72
4. Step 4: Simplify right side
   10,093.62x = 86,157,047.39
5. Step 5: Solve for x
   x = 86,157,047.39/10,093.62
6. Step 6: Final answer
   x = 8,535.79