Finding the Fourth Proportional to 12,101.69, 18,147.93 and 4,705.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,101.69 : 18,147.93 = 4,705.25 : x
2. Step 2: Convert to fraction form
   12,101.69/18,147.93 = 4,705.25/x
3. Step 3: Cross multiply
   12,101.69x = 18,147.93 × 4,705.25
4. Step 4: Simplify right side
   12,101.69x = 85,390,456.89
5. Step 5: Solve for x
   x = 85,390,456.89/12,101.69
6. Step 6: Final answer
   x = 7,056.08