Finding the Fourth Proportional to 35,429.42, 48,879.76 and 20,107.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,429.42 : 48,879.76 = 20,107.10 : x
2. Step 2: Convert to fraction form
   35,429.42/48,879.76 = 20,107.10/x
3. Step 3: Cross multiply
   35,429.42x = 48,879.76 × 20,107.10
4. Step 4: Simplify right side
   35,429.42x = 982,830,222.30
5. Step 5: Solve for x
   x = 982,830,222.30/35,429.42
6. Step 6: Final answer
   x = 27,740.51