Finding the Fourth Proportional to 12,093.54, 18,138.06 and 5,071.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.54 : 18,138.06 = 5,071.65 : x
2. Step 2: Convert to fraction form
   12,093.54/18,138.06 = 5,071.65/x
3. Step 3: Cross multiply
   12,093.54x = 18,138.06 × 5,071.65
4. Step 4: Simplify right side
   12,093.54x = 91,989,892.00
5. Step 5: Solve for x
   x = 91,989,892.00/12,093.54
6. Step 6: Final answer
   x = 7,606.53