Finding the Fourth Proportional to 12,962, 17,887.56 and 7,074

Step by Step Solution

1. Step 1: Write the proportion equation
   12,962 : 17,887.56 = 7,074 : x
2. Step 2: Convert to fraction form
   12,962/17,887.56 = 7,074/x
3. Step 3: Cross multiply
   12,962x = 17,887.56 × 7,074
4. Step 4: Simplify right side
   12,962x = 126,536,599.44
5. Step 5: Solve for x
   x = 126,536,599.44/12,962
6. Step 6: Final answer
   x = 9,762.12