Finding the Fourth Proportional to 1,185,977.78, 1,777,103.94 and 916,765.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,977.78 : 1,777,103.94 = 916,765.59 : x
2. Step 2: Convert to fraction form
   1,185,977.78/1,777,103.94 = 916,765.59/x
3. Step 3: Cross multiply
   1,185,977.78x = 1,777,103.94 × 916,765.59
4. Step 4: Simplify right side
   1,185,977.78x = 1,629,187,742,045.42
5. Step 5: Solve for x
   x = 1,629,187,742,045.42/1,185,977.78
6. Step 6: Final answer
   x = 1,373,708.49