Finding the Fourth Proportional to 7,003.52, 10,488.72 and 3,878.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.52 : 10,488.72 = 3,878.96 : x
2. Step 2: Convert to fraction form
   7,003.52/10,488.72 = 3,878.96/x
3. Step 3: Cross multiply
   7,003.52x = 10,488.72 × 3,878.96
4. Step 4: Simplify right side
   7,003.52x = 40,685,325.33
5. Step 5: Solve for x
   x = 40,685,325.33/7,003.52
6. Step 6: Final answer
   x = 5,809.27