Finding the Fourth Proportional to 52,367.84, 72,240.08 and 31,132

Step by Step Solution

1. Step 1: Write the proportion equation
   52,367.84 : 72,240.08 = 31,132 : x
2. Step 2: Convert to fraction form
   52,367.84/72,240.08 = 31,132/x
3. Step 3: Cross multiply
   52,367.84x = 72,240.08 × 31,132
4. Step 4: Simplify right side
   52,367.84x = 2,248,978,170.56
5. Step 5: Solve for x
   x = 2,248,978,170.56/52,367.84
6. Step 6: Final answer
   x = 42,945.79