Finding the Fourth Proportional to 2,938.52, 4,406.38 and 1,706.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.52 : 4,406.38 = 1,706.31 : x
2. Step 2: Convert to fraction form
   2,938.52/4,406.38 = 1,706.31/x
3. Step 3: Cross multiply
   2,938.52x = 4,406.38 × 1,706.31
4. Step 4: Simplify right side
   2,938.52x = 7,518,650.26
5. Step 5: Solve for x
   x = 7,518,650.26/2,938.52
6. Step 6: Final answer
   x = 2,558.65