Finding the Fourth Proportional to 1,630,818.74, 2,250,559.89 and 905,734.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630,818.74 : 2,250,559.89 = 905,734.10 : x
2. Step 2: Convert to fraction form
   1,630,818.74/2,250,559.89 = 905,734.10/x
3. Step 3: Cross multiply
   1,630,818.74x = 2,250,559.89 × 905,734.10
4. Step 4: Simplify right side
   1,630,818.74x = 2,038,408,825,212.45
5. Step 5: Solve for x
   x = 2,038,408,825,212.45/1,630,818.74
6. Step 6: Final answer
   x = 1,249,929.73