Finding the Fourth Proportional to 1,667.94, 2,501.06 and 556.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.94 : 2,501.06 = 556.96 : x
2. Step 2: Convert to fraction form
   1,667.94/2,501.06 = 556.96/x
3. Step 3: Cross multiply
   1,667.94x = 2,501.06 × 556.96
4. Step 4: Simplify right side
   1,667.94x = 1,392,990.38
5. Step 5: Solve for x
   x = 1,392,990.38/1,667.94
6. Step 6: Final answer
   x = 835.16