Finding the Fourth Proportional to 1,416.57, 1,954.98 and 974.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.57 : 1,954.98 = 974.72 : x
2. Step 2: Convert to fraction form
   1,416.57/1,954.98 = 974.72/x
3. Step 3: Cross multiply
   1,416.57x = 1,954.98 × 974.72
4. Step 4: Simplify right side
   1,416.57x = 1,905,548.33
5. Step 5: Solve for x
   x = 1,905,548.33/1,416.57
6. Step 6: Final answer
   x = 1,345.18