Finding the Fourth Proportional to 52,271.16, 72,140.70 and 31,050.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,271.16 : 72,140.70 = 31,050.54 : x
2. Step 2: Convert to fraction form
   52,271.16/72,140.70 = 31,050.54/x
3. Step 3: Cross multiply
   52,271.16x = 72,140.70 × 31,050.54
4. Step 4: Simplify right side
   52,271.16x = 2,240,007,690.98
5. Step 5: Solve for x
   x = 2,240,007,690.98/52,271.16
6. Step 6: Final answer
   x = 42,853.61