Finding the Fourth Proportional to 11,770.27, 17,654.86 and 3,979.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,770.27 : 17,654.86 = 3,979.15 : x
2. Step 2: Convert to fraction form
   11,770.27/17,654.86 = 3,979.15/x
3. Step 3: Cross multiply
   11,770.27x = 17,654.86 × 3,979.15
4. Step 4: Simplify right side
   11,770.27x = 70,251,336.17
5. Step 5: Solve for x
   x = 70,251,336.17/11,770.27
6. Step 6: Final answer
   x = 5,968.54