Finding the Fourth Proportional to 30,727.17, 42,357.42 and 25,053.21

Step by Step Solution

1. Step 1: Write the proportion equation
   30,727.17 : 42,357.42 = 25,053.21 : x
2. Step 2: Convert to fraction form
   30,727.17/42,357.42 = 25,053.21/x
3. Step 3: Cross multiply
   30,727.17x = 42,357.42 × 25,053.21
4. Step 4: Simplify right side
   30,727.17x = 1,061,189,338.32
5. Step 5: Solve for x
   x = 1,061,189,338.32/30,727.17
6. Step 6: Final answer
   x = 34,535.86