Finding the Fourth Proportional to 2,269,292.56, 3,131,531.54 and 1,236,778.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269,292.56 : 3,131,531.54 = 1,236,778.42 : x
2. Step 2: Convert to fraction form
   2,269,292.56/3,131,531.54 = 1,236,778.42/x
3. Step 3: Cross multiply
   2,269,292.56x = 3,131,531.54 × 1,236,778.42
4. Step 4: Simplify right side
   2,269,292.56x = 3,873,010,630,221.37
5. Step 5: Solve for x
   x = 3,873,010,630,221.37/2,269,292.56
6. Step 6: Final answer
   x = 1,706,703.97