Finding the Fourth Proportional to 2,312.83, 3,191.82 and 1,369.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.83 : 3,191.82 = 1,369.16 : x
2. Step 2: Convert to fraction form
   2,312.83/3,191.82 = 1,369.16/x
3. Step 3: Cross multiply
   2,312.83x = 3,191.82 × 1,369.16
4. Step 4: Simplify right side
   2,312.83x = 4,370,103.15
5. Step 5: Solve for x
   x = 4,370,103.15/2,312.83
6. Step 6: Final answer
   x = 1,889.51