Finding the Fourth Proportional to 74,540.54, 102,865.89 and 42,727.89

Step by Step Solution

1. Step 1: Write the proportion equation
   74,540.54 : 102,865.89 = 42,727.89 : x
2. Step 2: Convert to fraction form
   74,540.54/102,865.89 = 42,727.89/x
3. Step 3: Cross multiply
   74,540.54x = 102,865.89 × 42,727.89
4. Step 4: Simplify right side
   74,540.54x = 4,395,242,432.67
5. Step 5: Solve for x
   x = 4,395,242,432.67/74,540.54
6. Step 6: Final answer
   x = 58,964.46