Finding the Fourth Proportional to 6,897.78, 9,519.06 and 3,754.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,897.78 : 9,519.06 = 3,754.02 : x
2. Step 2: Convert to fraction form
   6,897.78/9,519.06 = 3,754.02/x
3. Step 3: Cross multiply
   6,897.78x = 9,519.06 × 3,754.02
4. Step 4: Simplify right side
   6,897.78x = 35,734,741.62
5. Step 5: Solve for x
   x = 35,734,741.62/6,897.78
6. Step 6: Final answer
   x = 5,180.61