Finding the Fourth Proportional to 3,691.32, 5,093.78 and 2,097.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.32 : 5,093.78 = 2,097.78 : x
2. Step 2: Convert to fraction form
   3,691.32/5,093.78 = 2,097.78/x
3. Step 3: Cross multiply
   3,691.32x = 5,093.78 × 2,097.78
4. Step 4: Simplify right side
   3,691.32x = 10,685,629.81
5. Step 5: Solve for x
   x = 10,685,629.81/3,691.32
6. Step 6: Final answer
   x = 2,894.80