Finding the Fourth Proportional to 49,553.71, 68,289.71 and 48,642.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,553.71 : 68,289.71 = 48,642.75 : x
2. Step 2: Convert to fraction form
   49,553.71/68,289.71 = 48,642.75/x
3. Step 3: Cross multiply
   49,553.71x = 68,289.71 × 48,642.75
4. Step 4: Simplify right side
   49,553.71x = 3,321,799,047.89
5. Step 5: Solve for x
   x = 3,321,799,047.89/49,553.71
6. Step 6: Final answer
   x = 67,034.32