Finding the Fourth Proportional to 11,964.53, 17,928.61 and 5,715.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,964.53 : 17,928.61 = 5,715.94 : x
2. Step 2: Convert to fraction form
   11,964.53/17,928.61 = 5,715.94/x
3. Step 3: Cross multiply
   11,964.53x = 17,928.61 × 5,715.94
4. Step 4: Simplify right side
   11,964.53x = 102,478,740.82
5. Step 5: Solve for x
   x = 102,478,740.82/11,964.53
6. Step 6: Final answer
   x = 8,565.21