Finding the Fourth Proportional to 1,318.06, 1,974.37 and 588.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318.06 : 1,974.37 = 588.15 : x
2. Step 2: Convert to fraction form
   1,318.06/1,974.37 = 588.15/x
3. Step 3: Cross multiply
   1,318.06x = 1,974.37 × 588.15
4. Step 4: Simplify right side
   1,318.06x = 1,161,225.72
5. Step 5: Solve for x
   x = 1,161,225.72/1,318.06
6. Step 6: Final answer
   x = 881.01