Finding the Fourth Proportional to 2,127.30, 2,934.93 and 1,243.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.30 : 2,934.93 = 1,243.05 : x
2. Step 2: Convert to fraction form
   2,127.30/2,934.93 = 1,243.05/x
3. Step 3: Cross multiply
   2,127.30x = 2,934.93 × 1,243.05
4. Step 4: Simplify right side
   2,127.30x = 3,648,264.74
5. Step 5: Solve for x
   x = 3,648,264.74/2,127.30
6. Step 6: Final answer
   x = 1,714.97