Finding the Fourth Proportional to 1,487.03, 2,051.96 and 823.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487.03 : 2,051.96 = 823.82 : x
2. Step 2: Convert to fraction form
   1,487.03/2,051.96 = 823.82/x
3. Step 3: Cross multiply
   1,487.03x = 2,051.96 × 823.82
4. Step 4: Simplify right side
   1,487.03x = 1,690,445.69
5. Step 5: Solve for x
   x = 1,690,445.69/1,487.03
6. Step 6: Final answer
   x = 1,136.79