Finding the Fourth Proportional to 1,425.86, 1,967.58 and 929.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.86 : 1,967.58 = 929.46 : x
2. Step 2: Convert to fraction form
   1,425.86/1,967.58 = 929.46/x
3. Step 3: Cross multiply
   1,425.86x = 1,967.58 × 929.46
4. Step 4: Simplify right side
   1,425.86x = 1,828,786.91
5. Step 5: Solve for x
   x = 1,828,786.91/1,425.86
6. Step 6: Final answer
   x = 1,282.59