Finding the Fourth Proportional to 1,142.37, 1,714.91 and 914.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.37 : 1,714.91 = 914.09 : x
2. Step 2: Convert to fraction form
   1,142.37/1,714.91 = 914.09/x
3. Step 3: Cross multiply
   1,142.37x = 1,714.91 × 914.09
4. Step 4: Simplify right side
   1,142.37x = 1,567,568.94
5. Step 5: Solve for x
   x = 1,567,568.94/1,142.37
6. Step 6: Final answer
   x = 1,372.21