Finding the Fourth Proportional to 11,231.61, 15,499.37 and 6,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,231.61 : 15,499.37 = 6,196.31 : x
2. Step 2: Convert to fraction form
   11,231.61/15,499.37 = 6,196.31/x
3. Step 3: Cross multiply
   11,231.61x = 15,499.37 × 6,196.31
4. Step 4: Simplify right side
   11,231.61x = 96,038,874.21
5. Step 5: Solve for x
   x = 96,038,874.21/11,231.61
6. Step 6: Final answer
   x = 8,550.77