Finding the Fourth Proportional to 1,582.31, 2,373.78 and 608.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582.31 : 2,373.78 = 608.34 : x
2. Step 2: Convert to fraction form
   1,582.31/2,373.78 = 608.34/x
3. Step 3: Cross multiply
   1,582.31x = 2,373.78 × 608.34
4. Step 4: Simplify right side
   1,582.31x = 1,444,065.33
5. Step 5: Solve for x
   x = 1,444,065.33/1,582.31
6. Step 6: Final answer
   x = 912.63