Finding the Fourth Proportional to 52,255.40, 72,089.33 and 31,022.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,255.40 : 72,089.33 = 31,022.37 : x
2. Step 2: Convert to fraction form
   52,255.40/72,089.33 = 31,022.37/x
3. Step 3: Cross multiply
   52,255.40x = 72,089.33 × 31,022.37
4. Step 4: Simplify right side
   52,255.40x = 2,236,381,641.32
5. Step 5: Solve for x
   x = 2,236,381,641.32/52,255.40
6. Step 6: Final answer
   x = 42,797.14