Finding the Fourth Proportional to 1,762.12, 2,431.62 and 976.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.12 : 2,431.62 = 976.17 : x
2. Step 2: Convert to fraction form
   1,762.12/2,431.62 = 976.17/x
3. Step 3: Cross multiply
   1,762.12x = 2,431.62 × 976.17
4. Step 4: Simplify right side
   1,762.12x = 2,373,663.54
5. Step 5: Solve for x
   x = 2,373,663.54/1,762.12
6. Step 6: Final answer
   x = 1,347.05