Finding the Fourth Proportional to 12,124.01, 18,172.55 and 5,101.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.01 : 18,172.55 = 5,101.97 : x
2. Step 2: Convert to fraction form
   12,124.01/18,172.55 = 5,101.97/x
3. Step 3: Cross multiply
   12,124.01x = 18,172.55 × 5,101.97
4. Step 4: Simplify right side
   12,124.01x = 92,715,688.55
5. Step 5: Solve for x
   x = 92,715,688.55/12,124.01
6. Step 6: Final answer
   x = 7,647.28