Finding the Fourth Proportional to 2,316.67, 3,196.06 and 1,618.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.67 : 3,196.06 = 1,618.45 : x
2. Step 2: Convert to fraction form
   2,316.67/3,196.06 = 1,618.45/x
3. Step 3: Cross multiply
   2,316.67x = 3,196.06 × 1,618.45
4. Step 4: Simplify right side
   2,316.67x = 5,172,663.31
5. Step 5: Solve for x
   x = 5,172,663.31/2,316.67
6. Step 6: Final answer
   x = 2,232.80