Finding the Fourth Proportional to 2,710.42, 4,062.72 and 1,938.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.42 : 4,062.72 = 1,938.58 : x
2. Step 2: Convert to fraction form
   2,710.42/4,062.72 = 1,938.58/x
3. Step 3: Cross multiply
   2,710.42x = 4,062.72 × 1,938.58
4. Step 4: Simplify right side
   2,710.42x = 7,875,907.74
5. Step 5: Solve for x
   x = 7,875,907.74/2,710.42
6. Step 6: Final answer
   x = 2,905.79