Finding the Fourth Proportional to 5,168.42, 7,753.16 and 1,657.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.42 : 7,753.16 = 1,657.56 : x
2. Step 2: Convert to fraction form
   5,168.42/7,753.16 = 1,657.56/x
3. Step 3: Cross multiply
   5,168.42x = 7,753.16 × 1,657.56
4. Step 4: Simplify right side
   5,168.42x = 12,851,327.89
5. Step 5: Solve for x
   x = 12,851,327.89/5,168.42
6. Step 6: Final answer
   x = 2,486.51