Finding the Fourth Proportional to 1,300.91, 1,951.83 and 608.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.91 : 1,951.83 = 608.09 : x
2. Step 2: Convert to fraction form
   1,300.91/1,951.83 = 608.09/x
3. Step 3: Cross multiply
   1,300.91x = 1,951.83 × 608.09
4. Step 4: Simplify right side
   1,300.91x = 1,186,878.55
5. Step 5: Solve for x
   x = 1,186,878.55/1,300.91
6. Step 6: Final answer
   x = 912.35