Finding the Fourth Proportional to 2,347.33, 3,518.67 and 1,307.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.33 : 3,518.67 = 1,307.81 : x
2. Step 2: Convert to fraction form
   2,347.33/3,518.67 = 1,307.81/x
3. Step 3: Cross multiply
   2,347.33x = 3,518.67 × 1,307.81
4. Step 4: Simplify right side
   2,347.33x = 4,601,751.81
5. Step 5: Solve for x
   x = 4,601,751.81/2,347.33
6. Step 6: Final answer
   x = 1,960.42