Finding the Fourth Proportional to 1,142.94, 1,714.56 and 1,074.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.94 : 1,714.56 = 1,074.63 : x
2. Step 2: Convert to fraction form
   1,142.94/1,714.56 = 1,074.63/x
3. Step 3: Cross multiply
   1,142.94x = 1,714.56 × 1,074.63
4. Step 4: Simplify right side
   1,142.94x = 1,842,517.61
5. Step 5: Solve for x
   x = 1,842,517.61/1,142.94
6. Step 6: Final answer
   x = 1,612.09