Finding the Fourth Proportional to 13,048.31, 19,575.72 and 3,814.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,048.31 : 19,575.72 = 3,814.31 : x
2. Step 2: Convert to fraction form
   13,048.31/19,575.72 = 3,814.31/x
3. Step 3: Cross multiply
   13,048.31x = 19,575.72 × 3,814.31
4. Step 4: Simplify right side
   13,048.31x = 74,667,913.49
5. Step 5: Solve for x
   x = 74,667,913.49/13,048.31
6. Step 6: Final answer
   x = 5,722.42