Finding the Fourth Proportional to 5,100.52, 7,040.12 and 3,005.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.52 : 7,040.12 = 3,005.32 : x
2. Step 2: Convert to fraction form
   5,100.52/7,040.12 = 3,005.32/x
3. Step 3: Cross multiply
   5,100.52x = 7,040.12 × 3,005.32
4. Step 4: Simplify right side
   5,100.52x = 21,157,813.44
5. Step 5: Solve for x
   x = 21,157,813.44/5,100.52
6. Step 6: Final answer
   x = 4,148.17