Finding the Fourth Proportional to 1,757.63, 2,633.72 and 1,107

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.63 : 2,633.72 = 1,107 : x
2. Step 2: Convert to fraction form
   1,757.63/2,633.72 = 1,107/x
3. Step 3: Cross multiply
   1,757.63x = 2,633.72 × 1,107
4. Step 4: Simplify right side
   1,757.63x = 2,915,522.51
5. Step 5: Solve for x
   x = 2,915,522.51/1,757.63
6. Step 6: Final answer
   x = 1,658.78