Finding the Fourth Proportional to 81,477.86, 112,433.37 and 49,641.62

Step by Step Solution

1. Step 1: Write the proportion equation
   81,477.86 : 112,433.37 = 49,641.62 : x
2. Step 2: Convert to fraction form
   81,477.86/112,433.37 = 49,641.62/x
3. Step 3: Cross multiply
   81,477.86x = 112,433.37 × 49,641.62
4. Step 4: Simplify right side
   81,477.86x = 5,581,374,628.86
5. Step 5: Solve for x
   x = 5,581,374,628.86/81,477.86
6. Step 6: Final answer
   x = 68,501.73