Finding the Fourth Proportional to 5,887.88, 8,119.69 and 3,867.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,887.88 : 8,119.69 = 3,867.74 : x
2. Step 2: Convert to fraction form
   5,887.88/8,119.69 = 3,867.74/x
3. Step 3: Cross multiply
   5,887.88x = 8,119.69 × 3,867.74
4. Step 4: Simplify right side
   5,887.88x = 31,404,799.53
5. Step 5: Solve for x
   x = 31,404,799.53/5,887.88
6. Step 6: Final answer
   x = 5,333.81