Finding the Fourth Proportional to 55,248.55, 82,957.25 and 52,974.07

Step by Step Solution

1. Step 1: Write the proportion equation
   55,248.55 : 82,957.25 = 52,974.07 : x
2. Step 2: Convert to fraction form
   55,248.55/82,957.25 = 52,974.07/x
3. Step 3: Cross multiply
   55,248.55x = 82,957.25 × 52,974.07
4. Step 4: Simplify right side
   55,248.55x = 4,394,583,168.51
5. Step 5: Solve for x
   x = 4,394,583,168.51/55,248.55
6. Step 6: Final answer
   x = 79,542.05