Finding the Fourth Proportional to 1,667.93, 2,501.17 and 887.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.93 : 2,501.17 = 887.75 : x
2. Step 2: Convert to fraction form
   1,667.93/2,501.17 = 887.75/x
3. Step 3: Cross multiply
   1,667.93x = 2,501.17 × 887.75
4. Step 4: Simplify right side
   1,667.93x = 2,220,398.94
5. Step 5: Solve for x
   x = 2,220,398.94/1,667.93
6. Step 6: Final answer
   x = 1,331.23