Finding the Fourth Proportional to 1,622.86, 2,433.81 and 929.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.86 : 2,433.81 = 929.41 : x
2. Step 2: Convert to fraction form
   1,622.86/2,433.81 = 929.41/x
3. Step 3: Cross multiply
   1,622.86x = 2,433.81 × 929.41
4. Step 4: Simplify right side
   1,622.86x = 2,262,007.35
5. Step 5: Solve for x
   x = 2,262,007.35/1,622.86
6. Step 6: Final answer
   x = 1,393.84