Finding the Fourth Proportional to 12,077.28, 16,670.74 and 7,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.28 : 16,670.74 = 7,608.50 : x
2. Step 2: Convert to fraction form
   12,077.28/16,670.74 = 7,608.50/x
3. Step 3: Cross multiply
   12,077.28x = 16,670.74 × 7,608.50
4. Step 4: Simplify right side
   12,077.28x = 126,839,325.29
5. Step 5: Solve for x
   x = 126,839,325.29/12,077.28
6. Step 6: Final answer
   x = 10,502.31