Finding the Fourth Proportional to 1,077,776,815.57, 1,616,654,445.76 and 340,846,845.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,776,815.57 : 1,616,654,445.76 = 340,846,845.60 : x
2. Step 2: Convert to fraction form
   1,077,776,815.57/1,616,654,445.76 = 340,846,845.60/x
3. Step 3: Cross multiply
   1,077,776,815.57x = 1,616,654,445.76 × 340,846,845.60
4. Step 4: Simplify right side
   1,077,776,815.57x = 551,031,568,267,109,120
5. Step 5: Solve for x
   x = 551,031,568,267,109,120/1,077,776,815.57
6. Step 6: Final answer
   x = 511,266,859.99