Finding the Fourth Proportional to 2,086,504.54, 3,129,969.18 and 720,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,504.54 : 3,129,969.18 = 720,100.42 : x
2. Step 2: Convert to fraction form
   2,086,504.54/3,129,969.18 = 720,100.42/x
3. Step 3: Cross multiply
   2,086,504.54x = 3,129,969.18 × 720,100.42
4. Step 4: Simplify right side
   2,086,504.54x = 2,253,892,121,105.06
5. Step 5: Solve for x
   x = 2,253,892,121,105.06/2,086,504.54
6. Step 6: Final answer
   x = 1,080,223.92