Finding the Fourth Proportional to 11,007.81, 15,190.53 and 5,971.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,007.81 : 15,190.53 = 5,971.83 : x
2. Step 2: Convert to fraction form
   11,007.81/15,190.53 = 5,971.83/x
3. Step 3: Cross multiply
   11,007.81x = 15,190.53 × 5,971.83
4. Step 4: Simplify right side
   11,007.81x = 90,715,262.77
5. Step 5: Solve for x
   x = 90,715,262.77/11,007.81
6. Step 6: Final answer
   x = 8,240.99