Finding the Fourth Proportional to 14,215.15, 19,608.24 and 9,435.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215.15 : 19,608.24 = 9,435.34 : x
2. Step 2: Convert to fraction form
   14,215.15/19,608.24 = 9,435.34/x
3. Step 3: Cross multiply
   14,215.15x = 19,608.24 × 9,435.34
4. Step 4: Simplify right side
   14,215.15x = 185,010,411.20
5. Step 5: Solve for x
   x = 185,010,411.20/14,215.15
6. Step 6: Final answer
   x = 13,015.02