Finding the Fourth Proportional to 85,019.27, 127,533.42 and 25,850.39

Step by Step Solution

1. Step 1: Write the proportion equation
   85,019.27 : 127,533.42 = 25,850.39 : x
2. Step 2: Convert to fraction form
   85,019.27/127,533.42 = 25,850.39/x
3. Step 3: Cross multiply
   85,019.27x = 127,533.42 × 25,850.39
4. Step 4: Simplify right side
   85,019.27x = 3,296,788,007.37
5. Step 5: Solve for x
   x = 3,296,788,007.37/85,019.27
6. Step 6: Final answer
   x = 38,776.95