Finding the Fourth Proportional to 2,173.42, 2,997.39 and 1,706.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.42 : 2,997.39 = 1,706.86 : x
2. Step 2: Convert to fraction form
   2,173.42/2,997.39 = 1,706.86/x
3. Step 3: Cross multiply
   2,173.42x = 2,997.39 × 1,706.86
4. Step 4: Simplify right side
   2,173.42x = 5,116,125.10
5. Step 5: Solve for x
   x = 5,116,125.10/2,173.42
6. Step 6: Final answer
   x = 2,353.95