Finding the Fourth Proportional to 1,338.48, 1,846.68 and 924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.48 : 1,846.68 = 924.72 : x
2. Step 2: Convert to fraction form
   1,338.48/1,846.68 = 924.72/x
3. Step 3: Cross multiply
   1,338.48x = 1,846.68 × 924.72
4. Step 4: Simplify right side
   1,338.48x = 1,707,661.93
5. Step 5: Solve for x
   x = 1,707,661.93/1,338.48
6. Step 6: Final answer
   x = 1,275.82