Finding the Fourth Proportional to 2,715.89, 3,746.74 and 2,085.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.89 : 3,746.74 = 2,085.31 : x
2. Step 2: Convert to fraction form
   2,715.89/3,746.74 = 2,085.31/x
3. Step 3: Cross multiply
   2,715.89x = 3,746.74 × 2,085.31
4. Step 4: Simplify right side
   2,715.89x = 7,813,114.39
5. Step 5: Solve for x
   x = 7,813,114.39/2,715.89
6. Step 6: Final answer
   x = 2,876.82