Finding the Fourth Proportional to 2,971.24, 4,100.58 and 1,729

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.24 : 4,100.58 = 1,729 : x
2. Step 2: Convert to fraction form
   2,971.24/4,100.58 = 1,729/x
3. Step 3: Cross multiply
   2,971.24x = 4,100.58 × 1,729
4. Step 4: Simplify right side
   2,971.24x = 7,089,902.82
5. Step 5: Solve for x
   x = 7,089,902.82/2,971.24
6. Step 6: Final answer
   x = 2,386.18