Finding the Fourth Proportional to 5,493.91, 7,577.40 and 3,815.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,493.91 : 7,577.40 = 3,815.32 : x
2. Step 2: Convert to fraction form
   5,493.91/7,577.40 = 3,815.32/x
3. Step 3: Cross multiply
   5,493.91x = 7,577.40 × 3,815.32
4. Step 4: Simplify right side
   5,493.91x = 28,910,205.77
5. Step 5: Solve for x
   x = 28,910,205.77/5,493.91
6. Step 6: Final answer
   x = 5,262.23