Finding the Fourth Proportional to 1,935.80, 2,904.71 and 766.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,935.80 : 2,904.71 = 766.41 : x
2. Step 2: Convert to fraction form
   1,935.80/2,904.71 = 766.41/x
3. Step 3: Cross multiply
   1,935.80x = 2,904.71 × 766.41
4. Step 4: Simplify right side
   1,935.80x = 2,226,204.72
5. Step 5: Solve for x
   x = 2,226,204.72/1,935.80
6. Step 6: Final answer
   x = 1,150.02