Finding the Fourth Proportional to 35,100.42, 48,423.17 and 20,945.07

Step by Step Solution

1. Step 1: Write the proportion equation
   35,100.42 : 48,423.17 = 20,945.07 : x
2. Step 2: Convert to fraction form
   35,100.42/48,423.17 = 20,945.07/x
3. Step 3: Cross multiply
   35,100.42x = 48,423.17 × 20,945.07
4. Step 4: Simplify right side
   35,100.42x = 1,014,226,580.55
5. Step 5: Solve for x
   x = 1,014,226,580.55/35,100.42
6. Step 6: Final answer
   x = 28,895.00