Finding the Fourth Proportional to 6,128.47, 8,452.38 and 4,003.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.47 : 8,452.38 = 4,003.84 : x
2. Step 2: Convert to fraction form
   6,128.47/8,452.38 = 4,003.84/x
3. Step 3: Cross multiply
   6,128.47x = 8,452.38 × 4,003.84
4. Step 4: Simplify right side
   6,128.47x = 33,841,977.14
5. Step 5: Solve for x
   x = 33,841,977.14/6,128.47
6. Step 6: Final answer
   x = 5,522.09