Finding the Fourth Proportional to 2,316.02, 3,196.19 and 1,321.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.02 : 3,196.19 = 1,321.46 : x
2. Step 2: Convert to fraction form
   2,316.02/3,196.19 = 1,321.46/x
3. Step 3: Cross multiply
   2,316.02x = 3,196.19 × 1,321.46
4. Step 4: Simplify right side
   2,316.02x = 4,223,624.56
5. Step 5: Solve for x
   x = 4,223,624.56/2,316.02
6. Step 6: Final answer
   x = 1,823.65