Finding the Fourth Proportional to 9,144.51, 12,619.40 and 4,952.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,144.51 : 12,619.40 = 4,952.76 : x
2. Step 2: Convert to fraction form
   9,144.51/12,619.40 = 4,952.76/x
3. Step 3: Cross multiply
   9,144.51x = 12,619.40 × 4,952.76
4. Step 4: Simplify right side
   9,144.51x = 62,500,834.78
5. Step 5: Solve for x
   x = 62,500,834.78/9,144.51
6. Step 6: Final answer
   x = 6,834.79