Finding the Fourth Proportional to 12,819.04, 17,683.86 and 7,513

Step by Step Solution

1. Step 1: Write the proportion equation
   12,819.04 : 17,683.86 = 7,513 : x
2. Step 2: Convert to fraction form
   12,819.04/17,683.86 = 7,513/x
3. Step 3: Cross multiply
   12,819.04x = 17,683.86 × 7,513
4. Step 4: Simplify right side
   12,819.04x = 132,858,840.18
5. Step 5: Solve for x
   x = 132,858,840.18/12,819.04
6. Step 6: Final answer
   x = 10,364.18