Finding the Fourth Proportional to 2,139,317.15, 3,208,298.22 and 699,667.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,317.15 : 3,208,298.22 = 699,667.92 : x
2. Step 2: Convert to fraction form
   2,139,317.15/3,208,298.22 = 699,667.92/x
3. Step 3: Cross multiply
   2,139,317.15x = 3,208,298.22 × 699,667.92
4. Step 4: Simplify right side
   2,139,317.15x = 2,244,743,342,327.10
5. Step 5: Solve for x
   x = 2,244,743,342,327.10/2,139,317.15
6. Step 6: Final answer
   x = 1,049,280.30