Finding the Fourth Proportional to 1,394.96, 1,925.30 and 922.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.96 : 1,925.30 = 922.86 : x
2. Step 2: Convert to fraction form
   1,394.96/1,925.30 = 922.86/x
3. Step 3: Cross multiply
   1,394.96x = 1,925.30 × 922.86
4. Step 4: Simplify right side
   1,394.96x = 1,776,784.67
5. Step 5: Solve for x
   x = 1,776,784.67/1,394.96
6. Step 6: Final answer
   x = 1,273.72