Finding the Fourth Proportional to 6,911.32, 9,537.61 and 3,927.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,911.32 : 9,537.61 = 3,927.15 : x
2. Step 2: Convert to fraction form
   6,911.32/9,537.61 = 3,927.15/x
3. Step 3: Cross multiply
   6,911.32x = 9,537.61 × 3,927.15
4. Step 4: Simplify right side
   6,911.32x = 37,455,611.61
5. Step 5: Solve for x
   x = 37,455,611.61/6,911.32
6. Step 6: Final answer
   x = 5,419.46