Finding the Fourth Proportional to 1,829.83, 2,525.17 and 990.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,829.83 : 2,525.17 = 990.53 : x
2. Step 2: Convert to fraction form
   1,829.83/2,525.17 = 990.53/x
3. Step 3: Cross multiply
   1,829.83x = 2,525.17 × 990.53
4. Step 4: Simplify right side
   1,829.83x = 2,501,251.69
5. Step 5: Solve for x
   x = 2,501,251.69/1,829.83
6. Step 6: Final answer
   x = 1,366.93