Finding the Fourth Proportional to 9,493.32, 13,105.32 and 5,513.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,493.32 : 13,105.32 = 5,513.78 : x
2. Step 2: Convert to fraction form
   9,493.32/13,105.32 = 5,513.78/x
3. Step 3: Cross multiply
   9,493.32x = 13,105.32 × 5,513.78
4. Step 4: Simplify right side
   9,493.32x = 72,259,851.31
5. Step 5: Solve for x
   x = 72,259,851.31/9,493.32
6. Step 6: Final answer
   x = 7,611.65