Finding the Fourth Proportional to 13,150.18, 19,715.55 and 4,825.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.18 : 19,715.55 = 4,825.81 : x
2. Step 2: Convert to fraction form
   13,150.18/19,715.55 = 4,825.81/x
3. Step 3: Cross multiply
   13,150.18x = 19,715.55 × 4,825.81
4. Step 4: Simplify right side
   13,150.18x = 95,143,498.35
5. Step 5: Solve for x
   x = 95,143,498.35/13,150.18
6. Step 6: Final answer
   x = 7,235.15