Finding the Fourth Proportional to 2,085.88, 3,127.29 and 1,263.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.88 : 3,127.29 = 1,263.96 : x
2. Step 2: Convert to fraction form
   2,085.88/3,127.29 = 1,263.96/x
3. Step 3: Cross multiply
   2,085.88x = 3,127.29 × 1,263.96
4. Step 4: Simplify right side
   2,085.88x = 3,952,769.47
5. Step 5: Solve for x
   x = 3,952,769.47/2,085.88
6. Step 6: Final answer
   x = 1,895.01