Finding the Fourth Proportional to 2,415.98, 3,332.88 and 1,576.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.98 : 3,332.88 = 1,576.31 : x
2. Step 2: Convert to fraction form
   2,415.98/3,332.88 = 1,576.31/x
3. Step 3: Cross multiply
   2,415.98x = 3,332.88 × 1,576.31
4. Step 4: Simplify right side
   2,415.98x = 5,253,635.41
5. Step 5: Solve for x
   x = 5,253,635.41/2,415.98
6. Step 6: Final answer
   x = 2,174.53