Finding the Fourth Proportional to 52,112, 71,914.56 and 28,238.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,112 : 71,914.56 = 28,238.48 : x
2. Step 2: Convert to fraction form
   52,112/71,914.56 = 28,238.48/x
3. Step 3: Cross multiply
   52,112x = 71,914.56 × 28,238.48
4. Step 4: Simplify right side
   52,112x = 2,030,757,864.27
5. Step 5: Solve for x
   x = 2,030,757,864.27/52,112
6. Step 6: Final answer
   x = 38,969.10