Finding the Fourth Proportional to 52,591.56, 72,576.18 and 31,371.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,591.56 : 72,576.18 = 31,371.72 : x
2. Step 2: Convert to fraction form
   52,591.56/72,576.18 = 31,371.72/x
3. Step 3: Cross multiply
   52,591.56x = 72,576.18 × 31,371.72
4. Step 4: Simplify right side
   52,591.56x = 2,276,839,597.63
5. Step 5: Solve for x
   x = 2,276,839,597.63/52,591.56
6. Step 6: Final answer
   x = 43,292.87