Finding the Fourth Proportional to 9,892.41, 14,840.09 and 2,872.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892.41 : 14,840.09 = 2,872.49 : x
2. Step 2: Convert to fraction form
   9,892.41/14,840.09 = 2,872.49/x
3. Step 3: Cross multiply
   9,892.41x = 14,840.09 × 2,872.49
4. Step 4: Simplify right side
   9,892.41x = 42,627,921.56
5. Step 5: Solve for x
   x = 42,627,921.56/9,892.41
6. Step 6: Final answer
   x = 4,309.15