Finding the Fourth Proportional to 1,630,843.69, 2,445,185.78 and 778,046.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630,843.69 : 2,445,185.78 = 778,046.96 : x
2. Step 2: Convert to fraction form
   1,630,843.69/2,445,185.78 = 778,046.96/x
3. Step 3: Cross multiply
   1,630,843.69x = 2,445,185.78 × 778,046.96
4. Step 4: Simplify right side
   1,630,843.69x = 1,902,469,360,819.11
5. Step 5: Solve for x
   x = 1,902,469,360,819.11/1,630,843.69
6. Step 6: Final answer
   x = 1,166,555.31