Finding the Fourth Proportional to 51,042.61, 70,414.27 and 33,143.23

Step by Step Solution

1. Step 1: Write the proportion equation
   51,042.61 : 70,414.27 = 33,143.23 : x
2. Step 2: Convert to fraction form
   51,042.61/70,414.27 = 33,143.23/x
3. Step 3: Cross multiply
   51,042.61x = 70,414.27 × 33,143.23
4. Step 4: Simplify right side
   51,042.61x = 2,333,756,345.89
5. Step 5: Solve for x
   x = 2,333,756,345.89/51,042.61
6. Step 6: Final answer
   x = 45,721.73