Finding the Fourth Proportional to 81,998.04, 123,035.94 and 48,783.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,998.04 : 123,035.94 = 48,783.72 : x
2. Step 2: Convert to fraction form
   81,998.04/123,035.94 = 48,783.72/x
3. Step 3: Cross multiply
   81,998.04x = 123,035.94 × 48,783.72
4. Step 4: Simplify right side
   81,998.04x = 6,002,150,846.90
5. Step 5: Solve for x
   x = 6,002,150,846.90/81,998.04
6. Step 6: Final answer
   x = 73,198.71