Finding the Fourth Proportional to 1,667.93, 2,502.41 and 628.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.93 : 2,502.41 = 628.42 : x
2. Step 2: Convert to fraction form
   1,667.93/2,502.41 = 628.42/x
3. Step 3: Cross multiply
   1,667.93x = 2,502.41 × 628.42
4. Step 4: Simplify right side
   1,667.93x = 1,572,564.19
5. Step 5: Solve for x
   x = 1,572,564.19/1,667.93
6. Step 6: Final answer
   x = 942.82