Finding the Fourth Proportional to 1,588.55, 2,383.16 and 1,298.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.55 : 2,383.16 = 1,298.70 : x
2. Step 2: Convert to fraction form
   1,588.55/2,383.16 = 1,298.70/x
3. Step 3: Cross multiply
   1,588.55x = 2,383.16 × 1,298.70
4. Step 4: Simplify right side
   1,588.55x = 3,095,003.40
5. Step 5: Solve for x
   x = 3,095,003.40/1,588.55
6. Step 6: Final answer
   x = 1,948.33