Finding the Fourth Proportional to 12,896.10, 17,796.88 and 7,307.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,896.10 : 17,796.88 = 7,307.10 : x
2. Step 2: Convert to fraction form
   12,896.10/17,796.88 = 7,307.10/x
3. Step 3: Cross multiply
   12,896.10x = 17,796.88 × 7,307.10
4. Step 4: Simplify right side
   12,896.10x = 130,043,492.86
5. Step 5: Solve for x
   x = 130,043,492.86/12,896.10
6. Step 6: Final answer
   x = 10,083.94