Finding the Fourth Proportional to 1,588.46, 2,380.05 and 1,123.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.46 : 2,380.05 = 1,123.94 : x
2. Step 2: Convert to fraction form
   1,588.46/2,380.05 = 1,123.94/x
3. Step 3: Cross multiply
   1,588.46x = 2,380.05 × 1,123.94
4. Step 4: Simplify right side
   1,588.46x = 2,675,025.71
5. Step 5: Solve for x
   x = 2,675,025.71/1,588.46
6. Step 6: Final answer
   x = 1,684.04