Finding the Fourth Proportional to 1,284.57, 1,925.17 and 591.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284.57 : 1,925.17 = 591.14 : x
2. Step 2: Convert to fraction form
   1,284.57/1,925.17 = 591.14/x
3. Step 3: Cross multiply
   1,284.57x = 1,925.17 × 591.14
4. Step 4: Simplify right side
   1,284.57x = 1,138,048.33
5. Step 5: Solve for x
   x = 1,138,048.33/1,284.57
6. Step 6: Final answer
   x = 885.94