Finding the Fourth Proportional to 9,500.97, 13,110.86 and 5,521.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,500.97 : 13,110.86 = 5,521.44 : x
2. Step 2: Convert to fraction form
   9,500.97/13,110.86 = 5,521.44/x
3. Step 3: Cross multiply
   9,500.97x = 13,110.86 × 5,521.44
4. Step 4: Simplify right side
   9,500.97x = 72,390,799.23
5. Step 5: Solve for x
   x = 72,390,799.23/9,500.97
6. Step 6: Final answer
   x = 7,619.31