Finding the Fourth Proportional to 35,103.56, 48,443.01 and 20,956.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,103.56 : 48,443.01 = 20,956.10 : x
2. Step 2: Convert to fraction form
   35,103.56/48,443.01 = 20,956.10/x
3. Step 3: Cross multiply
   35,103.56x = 48,443.01 × 20,956.10
4. Step 4: Simplify right side
   35,103.56x = 1,015,176,561.86
5. Step 5: Solve for x
   x = 1,015,176,561.86/35,103.56
6. Step 6: Final answer
   x = 28,919.48