Finding the Fourth Proportional to 2,457.41, 3,686.18 and 976.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.41 : 3,686.18 = 976.89 : x
2. Step 2: Convert to fraction form
   2,457.41/3,686.18 = 976.89/x
3. Step 3: Cross multiply
   2,457.41x = 3,686.18 × 976.89
4. Step 4: Simplify right side
   2,457.41x = 3,601,001.32
5. Step 5: Solve for x
   x = 3,601,001.32/2,457.41
6. Step 6: Final answer
   x = 1,465.37