Finding the Fourth Proportional to 12,494.05, 18,740.80 and 5,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,494.05 : 18,740.80 = 5,096.72 : x
2. Step 2: Convert to fraction form
   12,494.05/18,740.80 = 5,096.72/x
3. Step 3: Cross multiply
   12,494.05x = 18,740.80 × 5,096.72
4. Step 4: Simplify right side
   12,494.05x = 95,516,663.40
5. Step 5: Solve for x
   x = 95,516,663.40/12,494.05
6. Step 6: Final answer
   x = 7,644.97