Finding the Fourth Proportional to 2,673,025.70, 4,010,456.55 and 780,044.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673,025.70 : 4,010,456.55 = 780,044.90 : x
2. Step 2: Convert to fraction form
   2,673,025.70/4,010,456.55 = 780,044.90/x
3. Step 3: Cross multiply
   2,673,025.70x = 4,010,456.55 × 780,044.90
4. Step 4: Simplify right side
   2,673,025.70x = 3,128,336,178,499.10
5. Step 5: Solve for x
   x = 3,128,336,178,499.10/2,673,025.70
6. Step 6: Final answer
   x = 1,170,335.24