Finding the Fourth Proportional to 5,401.43, 8,089.56 and 5,214.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.43 : 8,089.56 = 5,214.36 : x
2. Step 2: Convert to fraction form
   5,401.43/8,089.56 = 5,214.36/x
3. Step 3: Cross multiply
   5,401.43x = 8,089.56 × 5,214.36
4. Step 4: Simplify right side
   5,401.43x = 42,181,877.58
5. Step 5: Solve for x
   x = 42,181,877.58/5,401.43
6. Step 6: Final answer
   x = 7,809.38