Finding the Fourth Proportional to 1,091,466.98, 1,505,417.55 and 800,980.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,466.98 : 1,505,417.55 = 800,980.42 : x
2. Step 2: Convert to fraction form
   1,091,466.98/1,505,417.55 = 800,980.42/x
3. Step 3: Cross multiply
   1,091,466.98x = 1,505,417.55 × 800,980.42
4. Step 4: Simplify right side
   1,091,466.98x = 1,205,809,981,474.37
5. Step 5: Solve for x
   x = 1,205,809,981,474.37/1,091,466.98
6. Step 6: Final answer
   x = 1,104,760.84