Finding the Fourth Proportional to 13,234.56, 19,866.42 and 9,020.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,234.56 : 19,866.42 = 9,020.94 : x
2. Step 2: Convert to fraction form
   13,234.56/19,866.42 = 9,020.94/x
3. Step 3: Cross multiply
   13,234.56x = 19,866.42 × 9,020.94
4. Step 4: Simplify right side
   13,234.56x = 179,213,782.83
5. Step 5: Solve for x
   x = 179,213,782.83/13,234.56
6. Step 6: Final answer
   x = 13,541.35