Finding the Fourth Proportional to 13,959.42, 19,256.30 and 8,845.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,959.42 : 19,256.30 = 8,845.58 : x
2. Step 2: Convert to fraction form
   13,959.42/19,256.30 = 8,845.58/x
3. Step 3: Cross multiply
   13,959.42x = 19,256.30 × 8,845.58
4. Step 4: Simplify right side
   13,959.42x = 170,333,142.15
5. Step 5: Solve for x
   x = 170,333,142.15/13,959.42
6. Step 6: Final answer
   x = 12,202.02