Finding the Fourth Proportional to 2,096.41, 3,145.80 and 1,931.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.41 : 3,145.80 = 1,931.17 : x
2. Step 2: Convert to fraction form
   2,096.41/3,145.80 = 1,931.17/x
3. Step 3: Cross multiply
   2,096.41x = 3,145.80 × 1,931.17
4. Step 4: Simplify right side
   2,096.41x = 6,075,074.59
5. Step 5: Solve for x
   x = 6,075,074.59/2,096.41
6. Step 6: Final answer
   x = 2,897.85