Finding the Fourth Proportional to 2,066.10, 3,100.50 and 767.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.10 : 3,100.50 = 767.52 : x
2. Step 2: Convert to fraction form
   2,066.10/3,100.50 = 767.52/x
3. Step 3: Cross multiply
   2,066.10x = 3,100.50 × 767.52
4. Step 4: Simplify right side
   2,066.10x = 2,379,695.76
5. Step 5: Solve for x
   x = 2,379,695.76/2,066.10
6. Step 6: Final answer
   x = 1,151.78