Finding the Fourth Proportional to 5,917.07, 8,168.15 and 3,929.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,917.07 : 8,168.15 = 3,929.33 : x
2. Step 2: Convert to fraction form
   5,917.07/8,168.15 = 3,929.33/x
3. Step 3: Cross multiply
   5,917.07x = 8,168.15 × 3,929.33
4. Step 4: Simplify right side
   5,917.07x = 32,095,296.35
5. Step 5: Solve for x
   x = 32,095,296.35/5,917.07
6. Step 6: Final answer
   x = 5,424.19