Finding the Fourth Proportional to 59,815.07, 89,637.98 and 33,172.78

Step by Step Solution

1. Step 1: Write the proportion equation
   59,815.07 : 89,637.98 = 33,172.78 : x
2. Step 2: Convert to fraction form
   59,815.07/89,637.98 = 33,172.78/x
3. Step 3: Cross multiply
   59,815.07x = 89,637.98 × 33,172.78
4. Step 4: Simplify right side
   59,815.07x = 2,973,540,990.18
5. Step 5: Solve for x
   x = 2,973,540,990.18/59,815.07
6. Step 6: Final answer
   x = 49,712.24