Finding the Fourth Proportional to 8,019.84, 12,037.86 and 7,436.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.84 : 12,037.86 = 7,436.64 : x
2. Step 2: Convert to fraction form
   8,019.84/12,037.86 = 7,436.64/x
3. Step 3: Cross multiply
   8,019.84x = 12,037.86 × 7,436.64
4. Step 4: Simplify right side
   8,019.84x = 89,521,231.19
5. Step 5: Solve for x
   x = 89,521,231.19/8,019.84
6. Step 6: Final answer
   x = 11,162.47