Finding the Fourth Proportional to 2,147.82, 2,962.47 and 1,588.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.82 : 2,962.47 = 1,588.31 : x
2. Step 2: Convert to fraction form
   2,147.82/2,962.47 = 1,588.31/x
3. Step 3: Cross multiply
   2,147.82x = 2,962.47 × 1,588.31
4. Step 4: Simplify right side
   2,147.82x = 4,705,322.98
5. Step 5: Solve for x
   x = 4,705,322.98/2,147.82
6. Step 6: Final answer
   x = 2,190.75