Finding the Fourth Proportional to 3,498.71, 4,827.81 and 2,171.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.71 : 4,827.81 = 2,171.93 : x
2. Step 2: Convert to fraction form
   3,498.71/4,827.81 = 2,171.93/x
3. Step 3: Cross multiply
   3,498.71x = 4,827.81 × 2,171.93
4. Step 4: Simplify right side
   3,498.71x = 10,485,641.23
5. Step 5: Solve for x
   x = 10,485,641.23/3,498.71
6. Step 6: Final answer
   x = 2,997.01