Finding the Fourth Proportional to 2,889.84, 3,987.72 and 1,630.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.84 : 3,987.72 = 1,630.71 : x
2. Step 2: Convert to fraction form
   2,889.84/3,987.72 = 1,630.71/x
3. Step 3: Cross multiply
   2,889.84x = 3,987.72 × 1,630.71
4. Step 4: Simplify right side
   2,889.84x = 6,502,814.88
5. Step 5: Solve for x
   x = 6,502,814.88/2,889.84
6. Step 6: Final answer
   x = 2,250.23