Finding the Fourth Proportional to 7,618.02, 11,408.59 and 5,271.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,618.02 : 11,408.59 = 5,271.45 : x
2. Step 2: Convert to fraction form
   7,618.02/11,408.59 = 5,271.45/x
3. Step 3: Cross multiply
   7,618.02x = 11,408.59 × 5,271.45
4. Step 4: Simplify right side
   7,618.02x = 60,139,798.58
5. Step 5: Solve for x
   x = 60,139,798.58/7,618.02
6. Step 6: Final answer
   x = 7,894.41