Finding the Fourth Proportional to 6,910.77, 9,536.88 and 3,926.63

Step by Step Solution

1. Step 1: Write the proportion equation
   6,910.77 : 9,536.88 = 3,926.63 : x
2. Step 2: Convert to fraction form
   6,910.77/9,536.88 = 3,926.63/x
3. Step 3: Cross multiply
   6,910.77x = 9,536.88 × 3,926.63
4. Step 4: Simplify right side
   6,910.77x = 37,447,751.43
5. Step 5: Solve for x
   x = 37,447,751.43/6,910.77
6. Step 6: Final answer
   x = 5,418.75