Finding the Fourth Proportional to 1,792.06, 2,472.78 and 1,005.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.06 : 2,472.78 = 1,005.95 : x
2. Step 2: Convert to fraction form
   1,792.06/2,472.78 = 1,005.95/x
3. Step 3: Cross multiply
   1,792.06x = 2,472.78 × 1,005.95
4. Step 4: Simplify right side
   1,792.06x = 2,487,497.34
5. Step 5: Solve for x
   x = 2,487,497.34/1,792.06
6. Step 6: Final answer
   x = 1,388.07