Finding the Fourth Proportional to 11,917,442.42, 17,876,329.72 and 3,397,778.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,917,442.42 : 17,876,329.72 = 3,397,778.90 : x
2. Step 2: Convert to fraction form
   11,917,442.42/17,876,329.72 = 3,397,778.90/x
3. Step 3: Cross multiply
   11,917,442.42x = 17,876,329.72 × 3,397,778.90
4. Step 4: Simplify right side
   11,917,442.42x = 60,739,815,932,058.90
5. Step 5: Solve for x
   x = 60,739,815,932,058.90/11,917,442.42
6. Step 6: Final answer
   x = 5,096,715.70