Finding the Fourth Proportional to 31,042.11, 46,572.89 and 19,961.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042.11 : 46,572.89 = 19,961.31 : x
2. Step 2: Convert to fraction form
   31,042.11/46,572.89 = 19,961.31/x
3. Step 3: Cross multiply
   31,042.11x = 46,572.89 × 19,961.31
4. Step 4: Simplify right side
   31,042.11x = 929,655,894.89
5. Step 5: Solve for x
   x = 929,655,894.89/31,042.11
6. Step 6: Final answer
   x = 29,948.22