Finding the Fourth Proportional to 52,871.68, 72,976.80 and 31,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,871.68 : 72,976.80 = 31,667.52 : x
2. Step 2: Convert to fraction form
   52,871.68/72,976.80 = 31,667.52/x
3. Step 3: Cross multiply
   52,871.68x = 72,976.80 × 31,667.52
4. Step 4: Simplify right side
   52,871.68x = 2,310,994,273.54
5. Step 5: Solve for x
   x = 2,310,994,273.54/52,871.68
6. Step 6: Final answer
   x = 43,709.49