Finding the Fourth Proportional to 1,588.01, 2,191.70 and 958.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.01 : 2,191.70 = 958.62 : x
2. Step 2: Convert to fraction form
   1,588.01/2,191.70 = 958.62/x
3. Step 3: Cross multiply
   1,588.01x = 2,191.70 × 958.62
4. Step 4: Simplify right side
   1,588.01x = 2,101,007.45
5. Step 5: Solve for x
   x = 2,101,007.45/1,588.01
6. Step 6: Final answer
   x = 1,323.05