Finding the Fourth Proportional to 2,619,849.36, 3,929,773.76 and 726,590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,849.36 : 3,929,773.76 = 726,590.72 : x
2. Step 2: Convert to fraction form
   2,619,849.36/3,929,773.76 = 726,590.72/x
3. Step 3: Cross multiply
   2,619,849.36x = 3,929,773.76 × 726,590.72
4. Step 4: Simplify right side
   2,619,849.36x = 2,855,337,145,715.51
5. Step 5: Solve for x
   x = 2,855,337,145,715.51/2,619,849.36
6. Step 6: Final answer
   x = 1,089,886.00