Finding the Fourth Proportional to 49,328.82, 68,532.90 and 48,738.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,328.82 : 68,532.90 = 48,738.30 : x
2. Step 2: Convert to fraction form
   49,328.82/68,532.90 = 48,738.30/x
3. Step 3: Cross multiply
   49,328.82x = 68,532.90 × 48,738.30
4. Step 4: Simplify right side
   49,328.82x = 3,340,177,040.07
5. Step 5: Solve for x
   x = 3,340,177,040.07/49,328.82
6. Step 6: Final answer
   x = 67,712.49