Finding the Fourth Proportional to 8,005.34, 11,034.15 and 5,351.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,005.34 : 11,034.15 = 5,351.78 : x
2. Step 2: Convert to fraction form
   8,005.34/11,034.15 = 5,351.78/x
3. Step 3: Cross multiply
   8,005.34x = 11,034.15 × 5,351.78
4. Step 4: Simplify right side
   8,005.34x = 59,052,343.29
5. Step 5: Solve for x
   x = 59,052,343.29/8,005.34
6. Step 6: Final answer
   x = 7,376.62