Finding the Fourth Proportional to 12,706.04, 19,055.45 and 8,019.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.04 : 19,055.45 = 8,019.02 : x
2. Step 2: Convert to fraction form
   12,706.04/19,055.45 = 8,019.02/x
3. Step 3: Cross multiply
   12,706.04x = 19,055.45 × 8,019.02
4. Step 4: Simplify right side
   12,706.04x = 152,806,042.20
5. Step 5: Solve for x
   x = 152,806,042.20/12,706.04
6. Step 6: Final answer
   x = 12,026.26