Finding the Fourth Proportional to 2,065.72, 3,099.59 and 970.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.72 : 3,099.59 = 970.16 : x
2. Step 2: Convert to fraction form
   2,065.72/3,099.59 = 970.16/x
3. Step 3: Cross multiply
   2,065.72x = 3,099.59 × 970.16
4. Step 4: Simplify right side
   2,065.72x = 3,007,098.23
5. Step 5: Solve for x
   x = 3,007,098.23/2,065.72
6. Step 6: Final answer
   x = 1,455.71