Finding the Fourth Proportional to 2,129.94, 3,196.74 and 1,583.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129.94 : 3,196.74 = 1,583.22 : x
2. Step 2: Convert to fraction form
   2,129.94/3,196.74 = 1,583.22/x
3. Step 3: Cross multiply
   2,129.94x = 3,196.74 × 1,583.22
4. Step 4: Simplify right side
   2,129.94x = 5,061,142.70
5. Step 5: Solve for x
   x = 5,061,142.70/2,129.94
6. Step 6: Final answer
   x = 2,376.19