Finding the Fourth Proportional to 2,973.94, 4,104.42 and 1,715.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.94 : 4,104.42 = 1,715.20 : x
2. Step 2: Convert to fraction form
   2,973.94/4,104.42 = 1,715.20/x
3. Step 3: Cross multiply
   2,973.94x = 4,104.42 × 1,715.20
4. Step 4: Simplify right side
   2,973.94x = 7,039,901.18
5. Step 5: Solve for x
   x = 7,039,901.18/2,973.94
6. Step 6: Final answer
   x = 2,367.20