Finding the Fourth Proportional to 1,869.47, 2,804.22 and 773.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869.47 : 2,804.22 = 773.82 : x
2. Step 2: Convert to fraction form
   1,869.47/2,804.22 = 773.82/x
3. Step 3: Cross multiply
   1,869.47x = 2,804.22 × 773.82
4. Step 4: Simplify right side
   1,869.47x = 2,169,961.52
5. Step 5: Solve for x
   x = 2,169,961.52/1,869.47
6. Step 6: Final answer
   x = 1,160.74