Finding the Fourth Proportional to 13,145.24, 19,706.13 and 4,823.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,145.24 : 19,706.13 = 4,823.31 : x
2. Step 2: Convert to fraction form
   13,145.24/19,706.13 = 4,823.31/x
3. Step 3: Cross multiply
   13,145.24x = 19,706.13 × 4,823.31
4. Step 4: Simplify right side
   13,145.24x = 95,048,773.89
5. Step 5: Solve for x
   x = 95,048,773.89/13,145.24
6. Step 6: Final answer
   x = 7,230.66