Finding the Fourth Proportional to 5,357.88, 7,393.68 and 3,788.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,357.88 : 7,393.68 = 3,788.10 : x
2. Step 2: Convert to fraction form
   5,357.88/7,393.68 = 3,788.10/x
3. Step 3: Cross multiply
   5,357.88x = 7,393.68 × 3,788.10
4. Step 4: Simplify right side
   5,357.88x = 28,007,999.21
5. Step 5: Solve for x
   x = 28,007,999.21/5,357.88
6. Step 6: Final answer
   x = 5,227.44