Finding the Fourth Proportional to 31,238.40, 46,805.76 and 21,984.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,238.40 : 46,805.76 = 21,984.96 : x
2. Step 2: Convert to fraction form
   31,238.40/46,805.76 = 21,984.96/x
3. Step 3: Cross multiply
   31,238.40x = 46,805.76 × 21,984.96
4. Step 4: Simplify right side
   31,238.40x = 1,029,022,761.37
5. Step 5: Solve for x
   x = 1,029,022,761.37/31,238.40
6. Step 6: Final answer
   x = 32,940.96