Finding the Fourth Proportional to 147,638, 203,751.39 and 83,996.30

Step by Step Solution

1. Step 1: Write the proportion equation
   147,638 : 203,751.39 = 83,996.30 : x
2. Step 2: Convert to fraction form
   147,638/203,751.39 = 83,996.30/x
3. Step 3: Cross multiply
   147,638x = 203,751.39 × 83,996.30
4. Step 4: Simplify right side
   147,638x = 17,114,362,879.86
5. Step 5: Solve for x
   x = 17,114,362,879.86/147,638
6. Step 6: Final answer
   x = 115,921.12