Finding the Fourth Proportional to 2,479.37, 3,715.55 and 1,957.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.37 : 3,715.55 = 1,957.07 : x
2. Step 2: Convert to fraction form
   2,479.37/3,715.55 = 1,957.07/x
3. Step 3: Cross multiply
   2,479.37x = 3,715.55 × 1,957.07
4. Step 4: Simplify right side
   2,479.37x = 7,271,588.39
5. Step 5: Solve for x
   x = 7,271,588.39/2,479.37
6. Step 6: Final answer
   x = 2,932.84