Finding the Fourth Proportional to 1,522.73, 2,279.47 and 975.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.73 : 2,279.47 = 975.30 : x
2. Step 2: Convert to fraction form
   1,522.73/2,279.47 = 975.30/x
3. Step 3: Cross multiply
   1,522.73x = 2,279.47 × 975.30
4. Step 4: Simplify right side
   1,522.73x = 2,223,164.65
5. Step 5: Solve for x
   x = 2,223,164.65/1,522.73
6. Step 6: Final answer
   x = 1,459.98