Finding the Fourth Proportional to 2,196.66, 3,291.30 and 1,546.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.66 : 3,291.30 = 1,546.20 : x
2. Step 2: Convert to fraction form
   2,196.66/3,291.30 = 1,546.20/x
3. Step 3: Cross multiply
   2,196.66x = 3,291.30 × 1,546.20
4. Step 4: Simplify right side
   2,196.66x = 5,089,008.06
5. Step 5: Solve for x
   x = 5,089,008.06/2,196.66
6. Step 6: Final answer
   x = 2,316.70