Finding the Fourth Proportional to 3,552.48, 5,334.48 and 3,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,552.48 : 5,334.48 = 3,402.72 : x
2. Step 2: Convert to fraction form
   3,552.48/5,334.48 = 3,402.72/x
3. Step 3: Cross multiply
   3,552.48x = 5,334.48 × 3,402.72
4. Step 4: Simplify right side
   3,552.48x = 18,151,741.79
5. Step 5: Solve for x
   x = 18,151,741.79/3,552.48
6. Step 6: Final answer
   x = 5,109.60