Finding the Fourth Proportional to 120,568.91, 180,851.54 and 50,448.22

Step by Step Solution

1. Step 1: Write the proportion equation
   120,568.91 : 180,851.54 = 50,448.22 : x
2. Step 2: Convert to fraction form
   120,568.91/180,851.54 = 50,448.22/x
3. Step 3: Cross multiply
   120,568.91x = 180,851.54 × 50,448.22
4. Step 4: Simplify right side
   120,568.91x = 9,123,637,572.89
5. Step 5: Solve for x
   x = 9,123,637,572.89/120,568.91
6. Step 6: Final answer
   x = 75,671.56