Finding the Fourth Proportional to 2,710.62, 3,740.88 and 1,515.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.62 : 3,740.88 = 1,515.72 : x
2. Step 2: Convert to fraction form
   2,710.62/3,740.88 = 1,515.72/x
3. Step 3: Cross multiply
   2,710.62x = 3,740.88 × 1,515.72
4. Step 4: Simplify right side
   2,710.62x = 5,670,126.63
5. Step 5: Solve for x
   x = 5,670,126.63/2,710.62
6. Step 6: Final answer
   x = 2,091.82