Finding the Fourth Proportional to 1,416.69, 1,953.52 and 920.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.69 : 1,953.52 = 920.46 : x
2. Step 2: Convert to fraction form
   1,416.69/1,953.52 = 920.46/x
3. Step 3: Cross multiply
   1,416.69x = 1,953.52 × 920.46
4. Step 4: Simplify right side
   1,416.69x = 1,798,142.04
5. Step 5: Solve for x
   x = 1,798,142.04/1,416.69
6. Step 6: Final answer
   x = 1,269.26