Finding the Fourth Proportional to 8,003.82, 11,045.79 and 5,310.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.82 : 11,045.79 = 5,310.42 : x
2. Step 2: Convert to fraction form
   8,003.82/11,045.79 = 5,310.42/x
3. Step 3: Cross multiply
   8,003.82x = 11,045.79 × 5,310.42
4. Step 4: Simplify right side
   8,003.82x = 58,657,784.13
5. Step 5: Solve for x
   x = 58,657,784.13/8,003.82
6. Step 6: Final answer
   x = 7,328.72