Finding the Fourth Proportional to 2,173.95, 3,248.25 and 1,670.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.95 : 3,248.25 = 1,670.94 : x
2. Step 2: Convert to fraction form
   2,173.95/3,248.25 = 1,670.94/x
3. Step 3: Cross multiply
   2,173.95x = 3,248.25 × 1,670.94
4. Step 4: Simplify right side
   2,173.95x = 5,427,630.86
5. Step 5: Solve for x
   x = 5,427,630.86/2,173.95
6. Step 6: Final answer
   x = 2,496.67