Finding the Fourth Proportional to 59,721.69, 89,637.92 and 30,160.34

Step by Step Solution

1. Step 1: Write the proportion equation
   59,721.69 : 89,637.92 = 30,160.34 : x
2. Step 2: Convert to fraction form
   59,721.69/89,637.92 = 30,160.34/x
3. Step 3: Cross multiply
   59,721.69x = 89,637.92 × 30,160.34
4. Step 4: Simplify right side
   59,721.69x = 2,703,510,144.09
5. Step 5: Solve for x
   x = 2,703,510,144.09/59,721.69
6. Step 6: Final answer
   x = 45,268.48