Finding the Fourth Proportional to 14,219.04, 19,620.72 and 10,020

Step by Step Solution

1. Step 1: Write the proportion equation
   14,219.04 : 19,620.72 = 10,020 : x
2. Step 2: Convert to fraction form
   14,219.04/19,620.72 = 10,020/x
3. Step 3: Cross multiply
   14,219.04x = 19,620.72 × 10,020
4. Step 4: Simplify right side
   14,219.04x = 196,599,614.40
5. Step 5: Solve for x
   x = 196,599,614.40/14,219.04
6. Step 6: Final answer
   x = 13,826.50