Finding the Fourth Proportional to 85,677.48, 118,288.52 and 55,063

Step by Step Solution

1. Step 1: Write the proportion equation
   85,677.48 : 118,288.52 = 55,063 : x
2. Step 2: Convert to fraction form
   85,677.48/118,288.52 = 55,063/x
3. Step 3: Cross multiply
   85,677.48x = 118,288.52 × 55,063
4. Step 4: Simplify right side
   85,677.48x = 6,513,320,776.76
5. Step 5: Solve for x
   x = 6,513,320,776.76/85,677.48
6. Step 6: Final answer
   x = 76,021.39