Finding the Fourth Proportional to 13,144.56, 19,719.42 and 4,824.65

Step by Step Solution

1. Step 1: Write the proportion equation
   13,144.56 : 19,719.42 = 4,824.65 : x
2. Step 2: Convert to fraction form
   13,144.56/19,719.42 = 4,824.65/x
3. Step 3: Cross multiply
   13,144.56x = 19,719.42 × 4,824.65
4. Step 4: Simplify right side
   13,144.56x = 95,139,201.11
5. Step 5: Solve for x
   x = 95,139,201.11/13,144.56
6. Step 6: Final answer
   x = 7,237.91