Finding the Fourth Proportional to 1,667.82, 2,501.86 and 974.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.82 : 2,501.86 = 974.56 : x
2. Step 2: Convert to fraction form
   1,667.82/2,501.86 = 974.56/x
3. Step 3: Cross multiply
   1,667.82x = 2,501.86 × 974.56
4. Step 4: Simplify right side
   1,667.82x = 2,438,212.68
5. Step 5: Solve for x
   x = 2,438,212.68/1,667.82
6. Step 6: Final answer
   x = 1,461.92