Finding the Fourth Proportional to 1,667.38, 2,497.82 and 1,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.38 : 2,497.82 = 1,088.50 : x
2. Step 2: Convert to fraction form
   1,667.38/2,497.82 = 1,088.50/x
3. Step 3: Cross multiply
   1,667.38x = 2,497.82 × 1,088.50
4. Step 4: Simplify right side
   1,667.38x = 2,718,877.07
5. Step 5: Solve for x
   x = 2,718,877.07/1,667.38
6. Step 6: Final answer
   x = 1,630.63