Finding the Fourth Proportional to 47,929.62, 71,519.52 and 42,948.54

Step by Step Solution

1. Step 1: Write the proportion equation
   47,929.62 : 71,519.52 = 42,948.54 : x
2. Step 2: Convert to fraction form
   47,929.62/71,519.52 = 42,948.54/x
3. Step 3: Cross multiply
   47,929.62x = 71,519.52 × 42,948.54
4. Step 4: Simplify right side
   47,929.62x = 3,071,658,965.50
5. Step 5: Solve for x
   x = 3,071,658,965.50/47,929.62
6. Step 6: Final answer
   x = 64,086.86