Finding the Fourth Proportional to 7,005.52, 10,507.68 and 4,081.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.52 : 10,507.68 = 4,081.96 : x
2. Step 2: Convert to fraction form
   7,005.52/10,507.68 = 4,081.96/x
3. Step 3: Cross multiply
   7,005.52x = 10,507.68 × 4,081.96
4. Step 4: Simplify right side
   7,005.52x = 42,891,929.45
5. Step 5: Solve for x
   x = 42,891,929.45/7,005.52
6. Step 6: Final answer
   x = 6,122.59