Finding the Fourth Proportional to 12,980.22, 19,476.69 and 8,048.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980.22 : 19,476.69 = 8,048.58 : x
2. Step 2: Convert to fraction form
   12,980.22/19,476.69 = 8,048.58/x
3. Step 3: Cross multiply
   12,980.22x = 19,476.69 × 8,048.58
4. Step 4: Simplify right side
   12,980.22x = 156,759,697.60
5. Step 5: Solve for x
   x = 156,759,697.60/12,980.22
6. Step 6: Final answer
   x = 12,076.81