Finding the Fourth Proportional to 1,682.93, 2,524.82 and 990.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.93 : 2,524.82 = 990.18 : x
2. Step 2: Convert to fraction form
   1,682.93/2,524.82 = 990.18/x
3. Step 3: Cross multiply
   1,682.93x = 2,524.82 × 990.18
4. Step 4: Simplify right side
   1,682.93x = 2,500,026.89
5. Step 5: Solve for x
   x = 2,500,026.89/1,682.93
6. Step 6: Final answer
   x = 1,485.52