Finding the Fourth Proportional to 72,573.66, 108,832.56 and 28,194.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,573.66 : 108,832.56 = 28,194.54 : x
2. Step 2: Convert to fraction form
   72,573.66/108,832.56 = 28,194.54/x
3. Step 3: Cross multiply
   72,573.66x = 108,832.56 × 28,194.54
4. Step 4: Simplify right side
   72,573.66x = 3,068,483,966.22
5. Step 5: Solve for x
   x = 3,068,483,966.22/72,573.66
6. Step 6: Final answer
   x = 42,280.96