Finding the Fourth Proportional to 12,055.68, 18,054.18 and 8,347.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.68 : 18,054.18 = 8,347.50 : x
2. Step 2: Convert to fraction form
   12,055.68/18,054.18 = 8,347.50/x
3. Step 3: Cross multiply
   12,055.68x = 18,054.18 × 8,347.50
4. Step 4: Simplify right side
   12,055.68x = 150,707,267.55
5. Step 5: Solve for x
   x = 150,707,267.55/12,055.68
6. Step 6: Final answer
   x = 12,500.93