Finding the Fourth Proportional to 35,100.92, 48,423.86 and 20,945.57

Step by Step Solution

1. Step 1: Write the proportion equation
   35,100.92 : 48,423.86 = 20,945.57 : x
2. Step 2: Convert to fraction form
   35,100.92/48,423.86 = 20,945.57/x
3. Step 3: Cross multiply
   35,100.92x = 48,423.86 × 20,945.57
4. Step 4: Simplify right side
   35,100.92x = 1,014,265,244.57
5. Step 5: Solve for x
   x = 1,014,265,244.57/35,100.92
6. Step 6: Final answer
   x = 28,895.69