Finding the Fourth Proportional to 11,867.15, 17,799.59 and 4,847.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,867.15 : 17,799.59 = 4,847.42 : x
2. Step 2: Convert to fraction form
   11,867.15/17,799.59 = 4,847.42/x
3. Step 3: Cross multiply
   11,867.15x = 17,799.59 × 4,847.42
4. Step 4: Simplify right side
   11,867.15x = 86,282,145.18
5. Step 5: Solve for x
   x = 86,282,145.18/11,867.15
6. Step 6: Final answer
   x = 7,270.67