Finding the Fourth Proportional to 1,386.59, 1,914.57 and 968.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386.59 : 1,914.57 = 968.00 : x
2. Step 2: Convert to fraction form
   1,386.59/1,914.57 = 968.00/x
3. Step 3: Cross multiply
   1,386.59x = 1,914.57 × 968.00
4. Step 4: Simplify right side
   1,386.59x = 1,853,294.19
5. Step 5: Solve for x
   x = 1,853,294.19/1,386.59
6. Step 6: Final answer
   x = 1,336.59