Finding the Fourth Proportional to 12,675.09, 19,017.50 and 5,277.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,675.09 : 19,017.50 = 5,277.56 : x
2. Step 2: Convert to fraction form
   12,675.09/19,017.50 = 5,277.56/x
3. Step 3: Cross multiply
   12,675.09x = 19,017.50 × 5,277.56
4. Step 4: Simplify right side
   12,675.09x = 100,366,018.46
5. Step 5: Solve for x
   x = 100,366,018.46/12,675.09
6. Step 6: Final answer
   x = 7,918.37