Finding the Fourth Proportional to 2,127.08, 2,934.95 and 1,242.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.08 : 2,934.95 = 1,242.72 : x
2. Step 2: Convert to fraction form
   2,127.08/2,934.95 = 1,242.72/x
3. Step 3: Cross multiply
   2,127.08x = 2,934.95 × 1,242.72
4. Step 4: Simplify right side
   2,127.08x = 3,647,314.85
5. Step 5: Solve for x
   x = 3,647,314.85/2,127.08
6. Step 6: Final answer
   x = 1,714.70