Finding the Fourth Proportional to 1,528.52, 2,290.86 and 951.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528.52 : 2,290.86 = 951.56 : x
2. Step 2: Convert to fraction form
   1,528.52/2,290.86 = 951.56/x
3. Step 3: Cross multiply
   1,528.52x = 2,290.86 × 951.56
4. Step 4: Simplify right side
   1,528.52x = 2,179,890.74
5. Step 5: Solve for x
   x = 2,179,890.74/1,528.52
6. Step 6: Final answer
   x = 1,426.14