Finding the Fourth Proportional to 1,871.32, 2,584.24 and 1,404.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.32 : 2,584.24 = 1,404.76 : x
2. Step 2: Convert to fraction form
   1,871.32/2,584.24 = 1,404.76/x
3. Step 3: Cross multiply
   1,871.32x = 2,584.24 × 1,404.76
4. Step 4: Simplify right side
   1,871.32x = 3,630,236.98
5. Step 5: Solve for x
   x = 3,630,236.98/1,871.32
6. Step 6: Final answer
   x = 1,939.93