Finding the Fourth Proportional to 2,142.01, 3,213.03 and 581.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.01 : 3,213.03 = 581.98 : x
2. Step 2: Convert to fraction form
   2,142.01/3,213.03 = 581.98/x
3. Step 3: Cross multiply
   2,142.01x = 3,213.03 × 581.98
4. Step 4: Simplify right side
   2,142.01x = 1,869,919.20
5. Step 5: Solve for x
   x = 1,869,919.20/2,142.01
6. Step 6: Final answer
   x = 872.97