Finding the Fourth Proportional to 72,891.36, 100,594.71 and 54,954.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,891.36 : 100,594.71 = 54,954.72 : x
2. Step 2: Convert to fraction form
   72,891.36/100,594.71 = 54,954.72/x
3. Step 3: Cross multiply
   72,891.36x = 100,594.71 × 54,954.72
4. Step 4: Simplify right side
   72,891.36x = 5,528,154,121.53
5. Step 5: Solve for x
   x = 5,528,154,121.53/72,891.36
6. Step 6: Final answer
   x = 75,841.01