Finding the Fourth Proportional to 9,770.15, 14,655.89 and 3,926.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,770.15 : 14,655.89 = 3,926.75 : x
2. Step 2: Convert to fraction form
   9,770.15/14,655.89 = 3,926.75/x
3. Step 3: Cross multiply
   9,770.15x = 14,655.89 × 3,926.75
4. Step 4: Simplify right side
   9,770.15x = 57,550,062.51
5. Step 5: Solve for x
   x = 57,550,062.51/9,770.15
6. Step 6: Final answer
   x = 5,890.40