Finding the Fourth Proportional to 1,426.86, 1,968.49 and 929.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.86 : 1,968.49 = 929.92 : x
2. Step 2: Convert to fraction form
   1,426.86/1,968.49 = 929.92/x
3. Step 3: Cross multiply
   1,426.86x = 1,968.49 × 929.92
4. Step 4: Simplify right side
   1,426.86x = 1,830,538.22
5. Step 5: Solve for x
   x = 1,830,538.22/1,426.86
6. Step 6: Final answer
   x = 1,282.91