Finding the Fourth Proportional to 2,971.30, 4,100.82 and 1,712.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.30 : 4,100.82 = 1,712.11 : x
2. Step 2: Convert to fraction form
   2,971.30/4,100.82 = 1,712.11/x
3. Step 3: Cross multiply
   2,971.30x = 4,100.82 × 1,712.11
4. Step 4: Simplify right side
   2,971.30x = 7,021,066.48
5. Step 5: Solve for x
   x = 7,021,066.48/2,971.30
6. Step 6: Final answer
   x = 2,362.96