Finding the Fourth Proportional to 1,791.59, 2,472.32 and 1,005.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791.59 : 2,472.32 = 1,005.62 : x
2. Step 2: Convert to fraction form
   1,791.59/2,472.32 = 1,005.62/x
3. Step 3: Cross multiply
   1,791.59x = 2,472.32 × 1,005.62
4. Step 4: Simplify right side
   1,791.59x = 2,486,204.59
5. Step 5: Solve for x
   x = 2,486,204.59/1,791.59
6. Step 6: Final answer
   x = 1,387.71