Finding the Fourth Proportional to 13,058.34, 19,562.82 and 10,122.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,058.34 : 19,562.82 = 10,122.30 : x
2. Step 2: Convert to fraction form
   13,058.34/19,562.82 = 10,122.30/x
3. Step 3: Cross multiply
   13,058.34x = 19,562.82 × 10,122.30
4. Step 4: Simplify right side
   13,058.34x = 198,020,732.89
5. Step 5: Solve for x
   x = 198,020,732.89/13,058.34
6. Step 6: Final answer
   x = 15,164.31