Finding the Fourth Proportional to 12,483.01, 18,719.32 and 5,082.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.01 : 18,719.32 = 5,082.45 : x
2. Step 2: Convert to fraction form
   12,483.01/18,719.32 = 5,082.45/x
3. Step 3: Cross multiply
   12,483.01x = 18,719.32 × 5,082.45
4. Step 4: Simplify right side
   12,483.01x = 95,140,007.93
5. Step 5: Solve for x
   x = 95,140,007.93/12,483.01
6. Step 6: Final answer
   x = 7,621.56