Finding the Fourth Proportional to 2,060.91, 3,091.50 and 762.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.91 : 3,091.50 = 762.39 : x
2. Step 2: Convert to fraction form
   2,060.91/3,091.50 = 762.39/x
3. Step 3: Cross multiply
   2,060.91x = 3,091.50 × 762.39
4. Step 4: Simplify right side
   2,060.91x = 2,356,928.69
5. Step 5: Solve for x
   x = 2,356,928.69/2,060.91
6. Step 6: Final answer
   x = 1,143.63