Finding the Fourth Proportional to 2,970.59, 4,099.77 and 1,711.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970.59 : 4,099.77 = 1,711.71 : x
2. Step 2: Convert to fraction form
   2,970.59/4,099.77 = 1,711.71/x
3. Step 3: Cross multiply
   2,970.59x = 4,099.77 × 1,711.71
4. Step 4: Simplify right side
   2,970.59x = 7,017,617.31
5. Step 5: Solve for x
   x = 7,017,617.31/2,970.59
6. Step 6: Final answer
   x = 2,362.37