Finding the Fourth Proportional to 3,134.72, 4,322.94 and 2,387.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,134.72 : 4,322.94 = 2,387.36 : x
2. Step 2: Convert to fraction form
   3,134.72/4,322.94 = 2,387.36/x
3. Step 3: Cross multiply
   3,134.72x = 4,322.94 × 2,387.36
4. Step 4: Simplify right side
   3,134.72x = 10,320,415.89
5. Step 5: Solve for x
   x = 10,320,415.89/3,134.72
6. Step 6: Final answer
   x = 3,292.29