Finding the Fourth Proportional to 52,871.60, 72,956.04 and 30,212.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,871.60 : 72,956.04 = 30,212.03 : x
2. Step 2: Convert to fraction form
   52,871.60/72,956.04 = 30,212.03/x
3. Step 3: Cross multiply
   52,871.60x = 72,956.04 × 30,212.03
4. Step 4: Simplify right side
   52,871.60x = 2,204,150,069.16
5. Step 5: Solve for x
   x = 2,204,150,069.16/52,871.60
6. Step 6: Final answer
   x = 41,688.73