Finding the Fourth Proportional to 49,860.01, 68,822.17 and 30,745.78

Step by Step Solution

1. Step 1: Write the proportion equation
   49,860.01 : 68,822.17 = 30,745.78 : x
2. Step 2: Convert to fraction form
   49,860.01/68,822.17 = 30,745.78/x
3. Step 3: Cross multiply
   49,860.01x = 68,822.17 × 30,745.78
4. Step 4: Simplify right side
   49,860.01x = 2,115,991,436.15
5. Step 5: Solve for x
   x = 2,115,991,436.15/49,860.01
6. Step 6: Final answer
   x = 42,438.65