Finding the Fourth Proportional to 2,125.50, 3,173.30 and 1,817.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,125.50 : 3,173.30 = 1,817.46 : x
2. Step 2: Convert to fraction form
   2,125.50/3,173.30 = 1,817.46/x
3. Step 3: Cross multiply
   2,125.50x = 3,173.30 × 1,817.46
4. Step 4: Simplify right side
   2,125.50x = 5,767,345.82
5. Step 5: Solve for x
   x = 5,767,345.82/2,125.50
6. Step 6: Final answer
   x = 2,713.41