Finding the Fourth Proportional to 2,673,388.90, 4,010,666.55 and 779,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673,388.90 : 4,010,666.55 = 779,976.10 : x
2. Step 2: Convert to fraction form
   2,673,388.90/4,010,666.55 = 779,976.10/x
3. Step 3: Cross multiply
   2,673,388.90x = 4,010,666.55 × 779,976.10
4. Step 4: Simplify right side
   2,673,388.90x = 3,128,224,054,069.45
5. Step 5: Solve for x
   x = 3,128,224,054,069.45/2,673,388.90
6. Step 6: Final answer
   x = 1,170,134.30