Finding the Fourth Proportional to 54,644.27, 81,838.82 and 42,064.46

Step by Step Solution

1. Step 1: Write the proportion equation
   54,644.27 : 81,838.82 = 42,064.46 : x
2. Step 2: Convert to fraction form
   54,644.27/81,838.82 = 42,064.46/x
3. Step 3: Cross multiply
   54,644.27x = 81,838.82 × 42,064.46
4. Step 4: Simplify right side
   54,644.27x = 3,442,505,773.20
5. Step 5: Solve for x
   x = 3,442,505,773.20/54,644.27
6. Step 6: Final answer
   x = 62,998.48