Finding the Fourth Proportional to 2,316.31, 3,196.22 and 1,845.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.31 : 3,196.22 = 1,845.40 : x
2. Step 2: Convert to fraction form
   2,316.31/3,196.22 = 1,845.40/x
3. Step 3: Cross multiply
   2,316.31x = 3,196.22 × 1,845.40
4. Step 4: Simplify right side
   2,316.31x = 5,898,304.39
5. Step 5: Solve for x
   x = 5,898,304.39/2,316.31
6. Step 6: Final answer
   x = 2,546.43