Finding the Fourth Proportional to 12,483.40, 17,219.72 and 8,005.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.40 : 17,219.72 = 8,005.52 : x
2. Step 2: Convert to fraction form
   12,483.40/17,219.72 = 8,005.52/x
3. Step 3: Cross multiply
   12,483.40x = 17,219.72 × 8,005.52
4. Step 4: Simplify right side
   12,483.40x = 137,852,812.85
5. Step 5: Solve for x
   x = 137,852,812.85/12,483.40
6. Step 6: Final answer
   x = 11,042.89