Finding the Fourth Proportional to 2,935.42, 4,404.54 and 1,291.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,935.42 : 4,404.54 = 1,291.72 : x
2. Step 2: Convert to fraction form
   2,935.42/4,404.54 = 1,291.72/x
3. Step 3: Cross multiply
   2,935.42x = 4,404.54 × 1,291.72
4. Step 4: Simplify right side
   2,935.42x = 5,689,432.41
5. Step 5: Solve for x
   x = 5,689,432.41/2,935.42
6. Step 6: Final answer
   x = 1,938.20