Finding the Fourth Proportional to 1,630,743.57, 2,446,309.89 and 788,690.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630,743.57 : 2,446,309.89 = 788,690.25 : x
2. Step 2: Convert to fraction form
   1,630,743.57/2,446,309.89 = 788,690.25/x
3. Step 3: Cross multiply
   1,630,743.57x = 2,446,309.89 × 788,690.25
4. Step 4: Simplify right side
   1,630,743.57x = 1,929,380,758,721.57
5. Step 5: Solve for x
   x = 1,929,380,758,721.57/1,630,743.57
6. Step 6: Final answer
   x = 1,183,129.46