Finding the Fourth Proportional to 108,658.78, 162,893.94 and 42,053.06

Step by Step Solution

1. Step 1: Write the proportion equation
   108,658.78 : 162,893.94 = 42,053.06 : x
2. Step 2: Convert to fraction form
   108,658.78/162,893.94 = 42,053.06/x
3. Step 3: Cross multiply
   108,658.78x = 162,893.94 × 42,053.06
4. Step 4: Simplify right side
   108,658.78x = 6,850,188,632.46
5. Step 5: Solve for x
   x = 6,850,188,632.46/108,658.78
6. Step 6: Final answer
   x = 63,043.12