Finding the Fourth Proportional to 1,976,899.67, 2,728,374.20 and 1,105,782.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976,899.67 : 2,728,374.20 = 1,105,782.78 : x
2. Step 2: Convert to fraction form
   1,976,899.67/2,728,374.20 = 1,105,782.78/x
3. Step 3: Cross multiply
   1,976,899.67x = 2,728,374.20 × 1,105,782.78
4. Step 4: Simplify right side
   1,976,899.67x = 3,016,989,210,520.73
5. Step 5: Solve for x
   x = 3,016,989,210,520.73/1,976,899.67
6. Step 6: Final answer
   x = 1,526,121.56