Finding the Fourth Proportional to 12,698.88, 19,031.77 and 7,076.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698.88 : 19,031.77 = 7,076.32 : x
2. Step 2: Convert to fraction form
   12,698.88/19,031.77 = 7,076.32/x
3. Step 3: Cross multiply
   12,698.88x = 19,031.77 × 7,076.32
4. Step 4: Simplify right side
   12,698.88x = 134,674,811.73
5. Step 5: Solve for x
   x = 134,674,811.73/12,698.88
6. Step 6: Final answer
   x = 10,605.25