Finding the Fourth Proportional to 31,340.27, 46,985.79 and 21,449.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,340.27 : 46,985.79 = 21,449.56 : x
2. Step 2: Convert to fraction form
   31,340.27/46,985.79 = 21,449.56/x
3. Step 3: Cross multiply
   31,340.27x = 46,985.79 × 21,449.56
4. Step 4: Simplify right side
   31,340.27x = 1,007,824,452.17
5. Step 5: Solve for x
   x = 1,007,824,452.17/31,340.27
6. Step 6: Final answer
   x = 32,157.49