Finding the Fourth Proportional to 2,066.84, 3,101.57 and 1,930.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.84 : 3,101.57 = 1,930.15 : x
2. Step 2: Convert to fraction form
   2,066.84/3,101.57 = 1,930.15/x
3. Step 3: Cross multiply
   2,066.84x = 3,101.57 × 1,930.15
4. Step 4: Simplify right side
   2,066.84x = 5,986,495.34
5. Step 5: Solve for x
   x = 5,986,495.34/2,066.84
6. Step 6: Final answer
   x = 2,896.45