Finding the Fourth Proportional to 6,886.42, 9,503.22 and 3,901.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,886.42 : 9,503.22 = 3,901.96 : x
2. Step 2: Convert to fraction form
   6,886.42/9,503.22 = 3,901.96/x
3. Step 3: Cross multiply
   6,886.42x = 9,503.22 × 3,901.96
4. Step 4: Simplify right side
   6,886.42x = 37,081,184.31
5. Step 5: Solve for x
   x = 37,081,184.31/6,886.42
6. Step 6: Final answer
   x = 5,384.68