Finding the Fourth Proportional to 72,743.91, 100,371.54 and 42,523.39

Step by Step Solution

1. Step 1: Write the proportion equation
   72,743.91 : 100,371.54 = 42,523.39 : x
2. Step 2: Convert to fraction form
   72,743.91/100,371.54 = 42,523.39/x
3. Step 3: Cross multiply
   72,743.91x = 100,371.54 × 42,523.39
4. Step 4: Simplify right side
   72,743.91x = 4,268,138,140.32
5. Step 5: Solve for x
   x = 4,268,138,140.32/72,743.91
6. Step 6: Final answer
   x = 58,673.48