Finding the Fourth Proportional to 47,871.42, 66,019.55 and 29,968.05

Step by Step Solution

1. Step 1: Write the proportion equation
   47,871.42 : 66,019.55 = 29,968.05 : x
2. Step 2: Convert to fraction form
   47,871.42/66,019.55 = 29,968.05/x
3. Step 3: Cross multiply
   47,871.42x = 66,019.55 × 29,968.05
4. Step 4: Simplify right side
   47,871.42x = 1,978,477,025.54
5. Step 5: Solve for x
   x = 1,978,477,025.54/47,871.42
6. Step 6: Final answer
   x = 41,328.99