Finding the Fourth Proportional to 2,380,115.56, 3,570,288.12 and 782,643.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380,115.56 : 3,570,288.12 = 782,643.28 : x
2. Step 2: Convert to fraction form
   2,380,115.56/3,570,288.12 = 782,643.28/x
3. Step 3: Cross multiply
   2,380,115.56x = 3,570,288.12 × 782,643.28
4. Step 4: Simplify right side
   2,380,115.56x = 2,794,262,004,781.83
5. Step 5: Solve for x
   x = 2,794,262,004,781.83/2,380,115.56
6. Step 6: Final answer
   x = 1,174,002.66