Finding the Fourth Proportional to 5,255.03, 7,886.59 and 3,924.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,255.03 : 7,886.59 = 3,924.15 : x
2. Step 2: Convert to fraction form
   5,255.03/7,886.59 = 3,924.15/x
3. Step 3: Cross multiply
   5,255.03x = 7,886.59 × 3,924.15
4. Step 4: Simplify right side
   5,255.03x = 30,948,152.34
5. Step 5: Solve for x
   x = 30,948,152.34/5,255.03
6. Step 6: Final answer
   x = 5,889.24