Finding the Fourth Proportional to 11,333.83, 15,640.32 and 6,297.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,333.83 : 15,640.32 = 6,297.91 : x
2. Step 2: Convert to fraction form
   11,333.83/15,640.32 = 6,297.91/x
3. Step 3: Cross multiply
   11,333.83x = 15,640.32 × 6,297.91
4. Step 4: Simplify right side
   11,333.83x = 98,501,327.73
5. Step 5: Solve for x
   x = 98,501,327.73/11,333.83
6. Step 6: Final answer
   x = 8,690.91