Finding the Fourth Proportional to 8,648.22, 11,931.27 and 5,460.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,648.22 : 11,931.27 = 5,460.60 : x
2. Step 2: Convert to fraction form
   8,648.22/11,931.27 = 5,460.60/x
3. Step 3: Cross multiply
   8,648.22x = 11,931.27 × 5,460.60
4. Step 4: Simplify right side
   8,648.22x = 65,151,892.96
5. Step 5: Solve for x
   x = 65,151,892.96/8,648.22
6. Step 6: Final answer
   x = 7,533.56