Finding the Fourth Proportional to 12,562.03, 18,828.69 and 7,017.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,562.03 : 18,828.69 = 7,017.94 : x
2. Step 2: Convert to fraction form
   12,562.03/18,828.69 = 7,017.94/x
3. Step 3: Cross multiply
   12,562.03x = 18,828.69 × 7,017.94
4. Step 4: Simplify right side
   12,562.03x = 132,138,616.70
5. Step 5: Solve for x
   x = 132,138,616.70/12,562.03
6. Step 6: Final answer
   x = 10,518.89