Finding the Fourth Proportional to 1,588.71, 2,380.43 and 1,124.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.71 : 2,380.43 = 1,124.19 : x
2. Step 2: Convert to fraction form
   1,588.71/2,380.43 = 1,124.19/x
3. Step 3: Cross multiply
   1,588.71x = 2,380.43 × 1,124.19
4. Step 4: Simplify right side
   1,588.71x = 2,676,040.89
5. Step 5: Solve for x
   x = 2,676,040.89/1,588.71
6. Step 6: Final answer
   x = 1,684.41