Finding the Fourth Proportional to 13,154.47, 18,150.18 and 7,848.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,154.47 : 18,150.18 = 7,848.25 : x
2. Step 2: Convert to fraction form
   13,154.47/18,150.18 = 7,848.25/x
3. Step 3: Cross multiply
   13,154.47x = 18,150.18 × 7,848.25
4. Step 4: Simplify right side
   13,154.47x = 142,447,150.19
5. Step 5: Solve for x
   x = 142,447,150.19/13,154.47
6. Step 6: Final answer
   x = 10,828.80