Finding the Fourth Proportional to 1,667.30, 2,501.26 and 693.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.30 : 2,501.26 = 693.48 : x
2. Step 2: Convert to fraction form
   1,667.30/2,501.26 = 693.48/x
3. Step 3: Cross multiply
   1,667.30x = 2,501.26 × 693.48
4. Step 4: Simplify right side
   1,667.30x = 1,734,573.78
5. Step 5: Solve for x
   x = 1,734,573.78/1,667.30
6. Step 6: Final answer
   x = 1,040.35