Finding the Fourth Proportional to 5,514.51, 8,281.74 and 3,438.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514.51 : 8,281.74 = 3,438.55 : x
2. Step 2: Convert to fraction form
   5,514.51/8,281.74 = 3,438.55/x
3. Step 3: Cross multiply
   5,514.51x = 8,281.74 × 3,438.55
4. Step 4: Simplify right side
   5,514.51x = 28,477,200.32
5. Step 5: Solve for x
   x = 28,477,200.32/5,514.51
6. Step 6: Final answer
   x = 5,164.05