Finding the Fourth Proportional to 85,591.02, 128,405.97 and 33,003.42

Step by Step Solution

1. Step 1: Write the proportion equation
   85,591.02 : 128,405.97 = 33,003.42 : x
2. Step 2: Convert to fraction form
   85,591.02/128,405.97 = 33,003.42/x
3. Step 3: Cross multiply
   85,591.02x = 128,405.97 × 33,003.42
4. Step 4: Simplify right side
   85,591.02x = 4,237,836,158.42
5. Step 5: Solve for x
   x = 4,237,836,158.42/85,591.02
6. Step 6: Final answer
   x = 49,512.63