Finding the Fourth Proportional to 1,736.37, 2,606.31 and 914.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.37 : 2,606.31 = 914.40 : x
2. Step 2: Convert to fraction form
   1,736.37/2,606.31 = 914.40/x
3. Step 3: Cross multiply
   1,736.37x = 2,606.31 × 914.40
4. Step 4: Simplify right side
   1,736.37x = 2,383,209.86
5. Step 5: Solve for x
   x = 2,383,209.86/1,736.37
6. Step 6: Final answer
   x = 1,372.52