Finding the Fourth Proportional to 13,022.01, 19,535.72 and 5,231.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,022.01 : 19,535.72 = 5,231.43 : x
2. Step 2: Convert to fraction form
   13,022.01/19,535.72 = 5,231.43/x
3. Step 3: Cross multiply
   13,022.01x = 19,535.72 × 5,231.43
4. Step 4: Simplify right side
   13,022.01x = 102,199,725.52
5. Step 5: Solve for x
   x = 102,199,725.52/13,022.01
6. Step 6: Final answer
   x = 7,848.23