Finding the Fourth Proportional to 12,071.70, 16,658.46 and 7,036.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.70 : 16,658.46 = 7,036.07 : x
2. Step 2: Convert to fraction form
   12,071.70/16,658.46 = 7,036.07/x
3. Step 3: Cross multiply
   12,071.70x = 16,658.46 × 7,036.07
4. Step 4: Simplify right side
   12,071.70x = 117,210,007.36
5. Step 5: Solve for x
   x = 117,210,007.36/12,071.70
6. Step 6: Final answer
   x = 9,709.49