Finding the Fourth Proportional to 5,196.06, 7,168.07 and 3,777.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.06 : 7,168.07 = 3,777.55 : x
2. Step 2: Convert to fraction form
   5,196.06/7,168.07 = 3,777.55/x
3. Step 3: Cross multiply
   5,196.06x = 7,168.07 × 3,777.55
4. Step 4: Simplify right side
   5,196.06x = 27,077,706.02
5. Step 5: Solve for x
   x = 27,077,706.02/5,196.06
6. Step 6: Final answer
   x = 5,211.20