Finding the Fourth Proportional to 2,316.32, 3,196.59 and 1,407.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.32 : 3,196.59 = 1,407.83 : x
2. Step 2: Convert to fraction form
   2,316.32/3,196.59 = 1,407.83/x
3. Step 3: Cross multiply
   2,316.32x = 3,196.59 × 1,407.83
4. Step 4: Simplify right side
   2,316.32x = 4,500,255.98
5. Step 5: Solve for x
   x = 4,500,255.98/2,316.32
6. Step 6: Final answer
   x = 1,942.85