Finding the Fourth Proportional to 2,971.42, 4,100.18 and 1,644.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.42 : 4,100.18 = 1,644.93 : x
2. Step 2: Convert to fraction form
   2,971.42/4,100.18 = 1,644.93/x
3. Step 3: Cross multiply
   2,971.42x = 4,100.18 × 1,644.93
4. Step 4: Simplify right side
   2,971.42x = 6,744,500.86
5. Step 5: Solve for x
   x = 6,744,500.86/2,971.42
6. Step 6: Final answer
   x = 2,269.79