Finding the Fourth Proportional to 2,640,111.71, 3,961,833.47 and 1,123,792.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,111.71 : 3,961,833.47 = 1,123,792.22 : x
2. Step 2: Convert to fraction form
   2,640,111.71/3,961,833.47 = 1,123,792.22/x
3. Step 3: Cross multiply
   2,640,111.71x = 3,961,833.47 × 1,123,792.22
4. Step 4: Simplify right side
   2,640,111.71x = 4,452,277,624,164.57
5. Step 5: Solve for x
   x = 4,452,277,624,164.57/2,640,111.71
6. Step 6: Final answer
   x = 1,686,397.44