Finding the Fourth Proportional to 12,471.96, 18,718.86 and 5,076.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,471.96 : 18,718.86 = 5,076.38 : x
2. Step 2: Convert to fraction form
   12,471.96/18,718.86 = 5,076.38/x
3. Step 3: Cross multiply
   12,471.96x = 18,718.86 × 5,076.38
4. Step 4: Simplify right side
   12,471.96x = 95,024,046.53
5. Step 5: Solve for x
   x = 95,024,046.53/12,471.96
6. Step 6: Final answer
   x = 7,619.01