Finding the Fourth Proportional to 2,110.94, 3,167.77 and 1,137.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.94 : 3,167.77 = 1,137.72 : x
2. Step 2: Convert to fraction form
   2,110.94/3,167.77 = 1,137.72/x
3. Step 3: Cross multiply
   2,110.94x = 3,167.77 × 1,137.72
4. Step 4: Simplify right side
   2,110.94x = 3,604,035.28
5. Step 5: Solve for x
   x = 3,604,035.28/2,110.94
6. Step 6: Final answer
   x = 1,707.31