Finding the Fourth Proportional to 1,074.84, 1,483.98 and 825.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.84 : 1,483.98 = 825.69 : x
2. Step 2: Convert to fraction form
   1,074.84/1,483.98 = 825.69/x
3. Step 3: Cross multiply
   1,074.84x = 1,483.98 × 825.69
4. Step 4: Simplify right side
   1,074.84x = 1,225,307.45
5. Step 5: Solve for x
   x = 1,225,307.45/1,074.84
6. Step 6: Final answer
   x = 1,139.99