Finding the Fourth Proportional to 2,086,398.78, 2,879,301.15 and 1,168,667.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,398.78 : 2,879,301.15 = 1,168,667.34 : x
2. Step 2: Convert to fraction form
   2,086,398.78/2,879,301.15 = 1,168,667.34/x
3. Step 3: Cross multiply
   2,086,398.78x = 2,879,301.15 × 1,168,667.34
4. Step 4: Simplify right side
   2,086,398.78x = 3,364,945,216,029.44
5. Step 5: Solve for x
   x = 3,364,945,216,029.44/2,086,398.78
6. Step 6: Final answer
   x = 1,612,800.61