Finding the Fourth Proportional to 5,453.25, 8,134.59 and 5,271.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,453.25 : 8,134.59 = 5,271.03 : x
2. Step 2: Convert to fraction form
   5,453.25/8,134.59 = 5,271.03/x
3. Step 3: Cross multiply
   5,453.25x = 8,134.59 × 5,271.03
4. Step 4: Simplify right side
   5,453.25x = 42,877,667.93
5. Step 5: Solve for x
   x = 42,877,667.93/5,453.25
6. Step 6: Final answer
   x = 7,862.77