Finding the Fourth Proportional to 2,316.21, 3,196.20 and 1,432.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.21 : 3,196.20 = 1,432.04 : x
2. Step 2: Convert to fraction form
   2,316.21/3,196.20 = 1,432.04/x
3. Step 3: Cross multiply
   2,316.21x = 3,196.20 × 1,432.04
4. Step 4: Simplify right side
   2,316.21x = 4,577,070.27
5. Step 5: Solve for x
   x = 4,577,070.27/2,316.21
6. Step 6: Final answer
   x = 1,976.10