Finding the Fourth Proportional to 1,772.83, 2,446.55 and 986.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772.83 : 2,446.55 = 986.93 : x
2. Step 2: Convert to fraction form
   1,772.83/2,446.55 = 986.93/x
3. Step 3: Cross multiply
   1,772.83x = 2,446.55 × 986.93
4. Step 4: Simplify right side
   1,772.83x = 2,414,573.59
5. Step 5: Solve for x
   x = 2,414,573.59/1,772.83
6. Step 6: Final answer
   x = 1,361.99