Finding the Fourth Proportional to 12,483.26, 18,719.71 and 5,082.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.26 : 18,719.71 = 5,082.70 : x
2. Step 2: Convert to fraction form
   12,483.26/18,719.71 = 5,082.70/x
3. Step 3: Cross multiply
   12,483.26x = 18,719.71 × 5,082.70
4. Step 4: Simplify right side
   12,483.26x = 95,146,670.02
5. Step 5: Solve for x
   x = 95,146,670.02/12,483.26
6. Step 6: Final answer
   x = 7,621.94