Finding the Fourth Proportional to 1,314.72, 1,970.09 and 794.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.72 : 1,970.09 = 794.15 : x
2. Step 2: Convert to fraction form
   1,314.72/1,970.09 = 794.15/x
3. Step 3: Cross multiply
   1,314.72x = 1,970.09 × 794.15
4. Step 4: Simplify right side
   1,314.72x = 1,564,533.15
5. Step 5: Solve for x
   x = 1,564,533.15/1,314.72
6. Step 6: Final answer
   x = 1,190.01