Finding the Fourth Proportional to 11,964.72, 17,926.16 and 7,798.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,964.72 : 17,926.16 = 7,798.08 : x
2. Step 2: Convert to fraction form
   11,964.72/17,926.16 = 7,798.08/x
3. Step 3: Cross multiply
   11,964.72x = 17,926.16 × 7,798.08
4. Step 4: Simplify right side
   11,964.72x = 139,789,629.77
5. Step 5: Solve for x
   x = 139,789,629.77/11,964.72
6. Step 6: Final answer
   x = 11,683.49