Finding the Fourth Proportional to 2,174.88, 3,255.84 and 1,588.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.88 : 3,255.84 = 1,588.80 : x
2. Step 2: Convert to fraction form
   2,174.88/3,255.84 = 1,588.80/x
3. Step 3: Cross multiply
   2,174.88x = 3,255.84 × 1,588.80
4. Step 4: Simplify right side
   2,174.88x = 5,172,878.59
5. Step 5: Solve for x
   x = 5,172,878.59/2,174.88
6. Step 6: Final answer
   x = 2,378.47