Finding the Fourth Proportional to 12,675.29, 19,016.18 and 5,277.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,675.29 : 19,016.18 = 5,277.29 : x
2. Step 2: Convert to fraction form
   12,675.29/19,016.18 = 5,277.29/x
3. Step 3: Cross multiply
   12,675.29x = 19,016.18 × 5,277.29
4. Step 4: Simplify right side
   12,675.29x = 100,353,870.17
5. Step 5: Solve for x
   x = 100,353,870.17/12,675.29
6. Step 6: Final answer
   x = 7,917.28