Finding the Fourth Proportional to 31,042.37, 46,573.27 and 19,961.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042.37 : 46,573.27 = 19,961.57 : x
2. Step 2: Convert to fraction form
   31,042.37/46,573.27 = 19,961.57/x
3. Step 3: Cross multiply
   31,042.37x = 46,573.27 × 19,961.57
4. Step 4: Simplify right side
   31,042.37x = 929,675,589.23
5. Step 5: Solve for x
   x = 929,675,589.23/31,042.37
6. Step 6: Final answer
   x = 29,948.60