Finding the Fourth Proportional to 10,731.72, 16,097.40 and 2,940.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,731.72 : 16,097.40 = 2,940.53 : x
2. Step 2: Convert to fraction form
   10,731.72/16,097.40 = 2,940.53/x
3. Step 3: Cross multiply
   10,731.72x = 16,097.40 × 2,940.53
4. Step 4: Simplify right side
   10,731.72x = 47,334,858.61
5. Step 5: Solve for x
   x = 47,334,858.61/10,731.72
6. Step 6: Final answer
   x = 4,410.74