Finding the Fourth Proportional to 1,693.50, 2,337.35 and 957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.50 : 2,337.35 = 957.50 : x
2. Step 2: Convert to fraction form
   1,693.50/2,337.35 = 957.50/x
3. Step 3: Cross multiply
   1,693.50x = 2,337.35 × 957.50
4. Step 4: Simplify right side
   1,693.50x = 2,238,012.63
5. Step 5: Solve for x
   x = 2,238,012.63/1,693.50
6. Step 6: Final answer
   x = 1,321.53