Finding the Fourth Proportional to 2,487.98, 3,429.43 and 1,888.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.98 : 3,429.43 = 1,888.52 : x
2. Step 2: Convert to fraction form
   2,487.98/3,429.43 = 1,888.52/x
3. Step 3: Cross multiply
   2,487.98x = 3,429.43 × 1,888.52
4. Step 4: Simplify right side
   2,487.98x = 6,476,565.91
5. Step 5: Solve for x
   x = 6,476,565.91/2,487.98
6. Step 6: Final answer
   x = 2,603.14