Finding the Fourth Proportional to 1,836,683.33, 2,755,086.50 and 638,616.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,683.33 : 2,755,086.50 = 638,616.02 : x
2. Step 2: Convert to fraction form
   1,836,683.33/2,755,086.50 = 638,616.02/x
3. Step 3: Cross multiply
   1,836,683.33x = 2,755,086.50 × 638,616.02
4. Step 4: Simplify right side
   1,836,683.33x = 1,759,442,373,538.41
5. Step 5: Solve for x
   x = 1,759,442,373,538.41/1,836,683.33
6. Step 6: Final answer
   x = 957,945.42