Finding the Fourth Proportional to 12,982.55, 19,460.79 and 5,074.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,982.55 : 19,460.79 = 5,074.11 : x
2. Step 2: Convert to fraction form
   12,982.55/19,460.79 = 5,074.11/x
3. Step 3: Cross multiply
   12,982.55x = 19,460.79 × 5,074.11
4. Step 4: Simplify right side
   12,982.55x = 98,746,189.15
5. Step 5: Solve for x
   x = 98,746,189.15/12,982.55
6. Step 6: Final answer
   x = 7,606.07