Finding the Fourth Proportional to 2,316.58, 3,196.84 and 1,321.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.58 : 3,196.84 = 1,321.83 : x
2. Step 2: Convert to fraction form
   2,316.58/3,196.84 = 1,321.83/x
3. Step 3: Cross multiply
   2,316.58x = 3,196.84 × 1,321.83
4. Step 4: Simplify right side
   2,316.58x = 4,225,675.71
5. Step 5: Solve for x
   x = 4,225,675.71/2,316.58
6. Step 6: Final answer
   x = 1,824.10