Finding the Fourth Proportional to 3,416.72, 5,123.46 and 1,771.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,416.72 : 5,123.46 = 1,771.62 : x
2. Step 2: Convert to fraction form
   3,416.72/5,123.46 = 1,771.62/x
3. Step 3: Cross multiply
   3,416.72x = 5,123.46 × 1,771.62
4. Step 4: Simplify right side
   3,416.72x = 9,076,824.21
5. Step 5: Solve for x
   x = 9,076,824.21/3,416.72
6. Step 6: Final answer
   x = 2,656.59