Finding the Fourth Proportional to 1,806,870.27, 2,493,550.77 and 991,108.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806,870.27 : 2,493,550.77 = 991,108.34 : x
2. Step 2: Convert to fraction form
   1,806,870.27/2,493,550.77 = 991,108.34/x
3. Step 3: Cross multiply
   1,806,870.27x = 2,493,550.77 × 991,108.34
4. Step 4: Simplify right side
   1,806,870.27x = 2,471,378,961,243.48
5. Step 5: Solve for x
   x = 2,471,378,961,243.48/1,806,870.27
6. Step 6: Final answer
   x = 1,367,767.79