Finding the Fourth Proportional to 2,167.02, 2,989.71 and 1,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.02 : 2,989.71 = 1,957.50 : x
2. Step 2: Convert to fraction form
   2,167.02/2,989.71 = 1,957.50/x
3. Step 3: Cross multiply
   2,167.02x = 2,989.71 × 1,957.50
4. Step 4: Simplify right side
   2,167.02x = 5,852,357.33
5. Step 5: Solve for x
   x = 5,852,357.33/2,167.02
6. Step 6: Final answer
   x = 2,700.65