Finding the Fourth Proportional to 5,621.14, 7,819.15 and 5,514.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,621.14 : 7,819.15 = 5,514.22 : x
2. Step 2: Convert to fraction form
   5,621.14/7,819.15 = 5,514.22/x
3. Step 3: Cross multiply
   5,621.14x = 7,819.15 × 5,514.22
4. Step 4: Simplify right side
   5,621.14x = 43,116,513.31
5. Step 5: Solve for x
   x = 43,116,513.31/5,621.14
6. Step 6: Final answer
   x = 7,670.42