Finding the Fourth Proportional to 49,603.50, 74,327.46 and 42,177.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,603.50 : 74,327.46 = 42,177.42 : x
2. Step 2: Convert to fraction form
   49,603.50/74,327.46 = 42,177.42/x
3. Step 3: Cross multiply
   49,603.50x = 74,327.46 × 42,177.42
4. Step 4: Simplify right side
   49,603.50x = 3,134,940,497.95
5. Step 5: Solve for x
   x = 3,134,940,497.95/49,603.50
6. Step 6: Final answer
   x = 63,199.99