Finding the Fourth Proportional to 2,538.32, 3,498.68 and 1,698.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.32 : 3,498.68 = 1,698.71 : x
2. Step 2: Convert to fraction form
   2,538.32/3,498.68 = 1,698.71/x
3. Step 3: Cross multiply
   2,538.32x = 3,498.68 × 1,698.71
4. Step 4: Simplify right side
   2,538.32x = 5,943,216.72
5. Step 5: Solve for x
   x = 5,943,216.72/2,538.32
6. Step 6: Final answer
   x = 2,341.40