Finding the Fourth Proportional to 2,104, 2,903.62 and 1,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104 : 2,903.62 = 1,172.50 : x
2. Step 2: Convert to fraction form
   2,104/2,903.62 = 1,172.50/x
3. Step 3: Cross multiply
   2,104x = 2,903.62 × 1,172.50
4. Step 4: Simplify right side
   2,104x = 3,404,494.45
5. Step 5: Solve for x
   x = 3,404,494.45/2,104
6. Step 6: Final answer
   x = 1,618.11