Finding the Fourth Proportional to 10,628.02, 14,670.78 and 7,983.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,628.02 : 14,670.78 = 7,983.10 : x
2. Step 2: Convert to fraction form
   10,628.02/14,670.78 = 7,983.10/x
3. Step 3: Cross multiply
   10,628.02x = 14,670.78 × 7,983.10
4. Step 4: Simplify right side
   10,628.02x = 117,118,303.82
5. Step 5: Solve for x
   x = 117,118,303.82/10,628.02
6. Step 6: Final answer
   x = 11,019.77