Finding the Fourth Proportional to 2,172.42, 2,996.01 and 1,705.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.42 : 2,996.01 = 1,705.86 : x
2. Step 2: Convert to fraction form
   2,172.42/2,996.01 = 1,705.86/x
3. Step 3: Cross multiply
   2,172.42x = 2,996.01 × 1,705.86
4. Step 4: Simplify right side
   2,172.42x = 5,110,773.62
5. Step 5: Solve for x
   x = 5,110,773.62/2,172.42
6. Step 6: Final answer
   x = 2,352.57