Finding the Fourth Proportional to 1,762.06, 2,431.72 and 976.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.06 : 2,431.72 = 976.05 : x
2. Step 2: Convert to fraction form
   1,762.06/2,431.72 = 976.05/x
3. Step 3: Cross multiply
   1,762.06x = 2,431.72 × 976.05
4. Step 4: Simplify right side
   1,762.06x = 2,373,484.25
5. Step 5: Solve for x
   x = 2,373,484.25/1,762.06
6. Step 6: Final answer
   x = 1,347.00