Finding the Fourth Proportional to 1,667.14, 2,500.18 and 693

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.14 : 2,500.18 = 693 : x
2. Step 2: Convert to fraction form
   1,667.14/2,500.18 = 693/x
3. Step 3: Cross multiply
   1,667.14x = 2,500.18 × 693
4. Step 4: Simplify right side
   1,667.14x = 1,732,623.01
5. Step 5: Solve for x
   x = 1,732,623.01/1,667.14
6. Step 6: Final answer
   x = 1,039.28