Finding the Fourth Proportional to 11,785.58, 17,681.25 and 3,994.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,785.58 : 17,681.25 = 3,994.46 : x
2. Step 2: Convert to fraction form
   11,785.58/17,681.25 = 3,994.46/x
3. Step 3: Cross multiply
   11,785.58x = 17,681.25 × 3,994.46
4. Step 4: Simplify right side
   11,785.58x = 70,627,045.88
5. Step 5: Solve for x
   x = 70,627,045.88/11,785.58
6. Step 6: Final answer
   x = 5,992.67