Finding the Fourth Proportional to 12,095.37, 18,147.72 and 4,705.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,095.37 : 18,147.72 = 4,705.05 : x
2. Step 2: Convert to fraction form
   12,095.37/18,147.72 = 4,705.05/x
3. Step 3: Cross multiply
   12,095.37x = 18,147.72 × 4,705.05
4. Step 4: Simplify right side
   12,095.37x = 85,385,929.99
5. Step 5: Solve for x
   x = 85,385,929.99/12,095.37
6. Step 6: Final answer
   x = 7,059.39