Finding the Fourth Proportional to 13,148.52, 18,146.28 and 7,843.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,148.52 : 18,146.28 = 7,843.34 : x
2. Step 2: Convert to fraction form
   13,148.52/18,146.28 = 7,843.34/x
3. Step 3: Cross multiply
   13,148.52x = 18,146.28 × 7,843.34
4. Step 4: Simplify right side
   13,148.52x = 142,327,401.34
5. Step 5: Solve for x
   x = 142,327,401.34/13,148.52
6. Step 6: Final answer
   x = 10,824.59