Finding the Fourth Proportional to 12,706.53, 19,056.20 and 8,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.53 : 19,056.20 = 8,019.52 : x
2. Step 2: Convert to fraction form
   12,706.53/19,056.20 = 8,019.52/x
3. Step 3: Cross multiply
   12,706.53x = 19,056.20 × 8,019.52
4. Step 4: Simplify right side
   12,706.53x = 152,821,577.02
5. Step 5: Solve for x
   x = 152,821,577.02/12,706.53
6. Step 6: Final answer
   x = 12,027.01