Finding the Fourth Proportional to 2,607.36, 3,910.86 and 1,126.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.36 : 3,910.86 = 1,126.52 : x
2. Step 2: Convert to fraction form
   2,607.36/3,910.86 = 1,126.52/x
3. Step 3: Cross multiply
   2,607.36x = 3,910.86 × 1,126.52
4. Step 4: Simplify right side
   2,607.36x = 4,405,662.01
5. Step 5: Solve for x
   x = 4,405,662.01/2,607.36
6. Step 6: Final answer
   x = 1,689.70