Finding the Fourth Proportional to 12,701.54, 17,536.69 and 7,928.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,701.54 : 17,536.69 = 7,928.76 : x
2. Step 2: Convert to fraction form
   12,701.54/17,536.69 = 7,928.76/x
3. Step 3: Cross multiply
   12,701.54x = 17,536.69 × 7,928.76
4. Step 4: Simplify right side
   12,701.54x = 139,044,281.88
5. Step 5: Solve for x
   x = 139,044,281.88/12,701.54
6. Step 6: Final answer
   x = 10,947.04