Finding the Fourth Proportional to 2,640,110.86, 3,961,832.20 and 1,123,791.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,110.86 : 3,961,832.20 = 1,123,791.37 : x
2. Step 2: Convert to fraction form
   2,640,110.86/3,961,832.20 = 1,123,791.37/x
3. Step 3: Cross multiply
   2,640,110.86x = 3,961,832.20 × 1,123,791.37
4. Step 4: Simplify right side
   2,640,110.86x = 4,452,272,851,640.69
5. Step 5: Solve for x
   x = 4,452,272,851,640.69/2,640,110.86
6. Step 6: Final answer
   x = 1,686,396.17