Finding the Fourth Proportional to 35,111.39, 48,443.96 and 20,959.07

Step by Step Solution

1. Step 1: Write the proportion equation
   35,111.39 : 48,443.96 = 20,959.07 : x
2. Step 2: Convert to fraction form
   35,111.39/48,443.96 = 20,959.07/x
3. Step 3: Cross multiply
   35,111.39x = 48,443.96 × 20,959.07
4. Step 4: Simplify right side
   35,111.39x = 1,015,340,243.92
5. Step 5: Solve for x
   x = 1,015,340,243.92/35,111.39
6. Step 6: Final answer
   x = 28,917.69