Finding the Fourth Proportional to 12,047.94, 18,070.74 and 5,294.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,047.94 : 18,070.74 = 5,294.18 : x
2. Step 2: Convert to fraction form
   12,047.94/18,070.74 = 5,294.18/x
3. Step 3: Cross multiply
   12,047.94x = 18,070.74 × 5,294.18
4. Step 4: Simplify right side
   12,047.94x = 95,669,750.29
5. Step 5: Solve for x
   x = 95,669,750.29/12,047.94
6. Step 6: Final answer
   x = 7,940.76