Finding the Fourth Proportional to 5,395.93, 8,081.35 and 5,208.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,395.93 : 8,081.35 = 5,208.86 : x
2. Step 2: Convert to fraction form
   5,395.93/8,081.35 = 5,208.86/x
3. Step 3: Cross multiply
   5,395.93x = 8,081.35 × 5,208.86
4. Step 4: Simplify right side
   5,395.93x = 42,094,611.78
5. Step 5: Solve for x
   x = 42,094,611.78/5,395.93
6. Step 6: Final answer
   x = 7,801.17