Finding the Fourth Proportional to 11,384.07, 17,081.39 and 4,811.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,384.07 : 17,081.39 = 4,811.79 : x
2. Step 2: Convert to fraction form
   11,384.07/17,081.39 = 4,811.79/x
3. Step 3: Cross multiply
   11,384.07x = 17,081.39 × 4,811.79
4. Step 4: Simplify right side
   11,384.07x = 82,192,061.59
5. Step 5: Solve for x
   x = 82,192,061.59/11,384.07
6. Step 6: Final answer
   x = 7,219.92