Finding the Fourth Proportional to 942.31, 1,410.18 and 832.15

Step by Step Solution

1. Step 1: Write the proportion equation
   942.31 : 1,410.18 = 832.15 : x
2. Step 2: Convert to fraction form
   942.31/1,410.18 = 832.15/x
3. Step 3: Cross multiply
   942.31x = 1,410.18 × 832.15
4. Step 4: Simplify right side
   942.31x = 1,173,481.29
5. Step 5: Solve for x
   x = 1,173,481.29/942.31
6. Step 6: Final answer
   x = 1,245.32