Finding the Fourth Proportional to 5,381.82, 7,422.86 and 3,610.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,381.82 : 7,422.86 = 3,610.36 : x
2. Step 2: Convert to fraction form
   5,381.82/7,422.86 = 3,610.36/x
3. Step 3: Cross multiply
   5,381.82x = 7,422.86 × 3,610.36
4. Step 4: Simplify right side
   5,381.82x = 26,799,196.83
5. Step 5: Solve for x
   x = 26,799,196.83/5,381.82
6. Step 6: Final answer
   x = 4,979.58