Finding the Fourth Proportional to 1,583.98, 2,373.46 and 843.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.98 : 2,373.46 = 843.39 : x
2. Step 2: Convert to fraction form
   1,583.98/2,373.46 = 843.39/x
3. Step 3: Cross multiply
   1,583.98x = 2,373.46 × 843.39
4. Step 4: Simplify right side
   1,583.98x = 2,001,742.46
5. Step 5: Solve for x
   x = 2,001,742.46/1,583.98
6. Step 6: Final answer
   x = 1,263.75