Finding the Fourth Proportional to 31,074.27, 42,907.81 and 25,332.65

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.27 : 42,907.81 = 25,332.65 : x
2. Step 2: Convert to fraction form
   31,074.27/42,907.81 = 25,332.65/x
3. Step 3: Cross multiply
   31,074.27x = 42,907.81 × 25,332.65
4. Step 4: Simplify right side
   31,074.27x = 1,086,968,533.00
5. Step 5: Solve for x
   x = 1,086,968,533.00/31,074.27
6. Step 6: Final answer
   x = 34,979.70