Finding the Fourth Proportional to 2,971.47, 4,100.77 and 1,712.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.47 : 4,100.77 = 1,712.72 : x
2. Step 2: Convert to fraction form
   2,971.47/4,100.77 = 1,712.72/x
3. Step 3: Cross multiply
   2,971.47x = 4,100.77 × 1,712.72
4. Step 4: Simplify right side
   2,971.47x = 7,023,470.79
5. Step 5: Solve for x
   x = 7,023,470.79/2,971.47
6. Step 6: Final answer
   x = 2,363.64