Finding the Fourth Proportional to 9,144.84, 12,619.83 and 4,953.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,144.84 : 12,619.83 = 4,953.09 : x
2. Step 2: Convert to fraction form
   9,144.84/12,619.83 = 4,953.09/x
3. Step 3: Cross multiply
   9,144.84x = 12,619.83 × 4,953.09
4. Step 4: Simplify right side
   9,144.84x = 62,507,153.77
5. Step 5: Solve for x
   x = 62,507,153.77/9,144.84
6. Step 6: Final answer
   x = 6,835.24