Finding the Fourth Proportional to 2,088.57, 3,131.37 and 1,047.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.57 : 3,131.37 = 1,047.82 : x
2. Step 2: Convert to fraction form
   2,088.57/3,131.37 = 1,047.82/x
3. Step 3: Cross multiply
   2,088.57x = 3,131.37 × 1,047.82
4. Step 4: Simplify right side
   2,088.57x = 3,281,112.11
5. Step 5: Solve for x
   x = 3,281,112.11/2,088.57
6. Step 6: Final answer
   x = 1,570.98