Finding the Fourth Proportional to 1,650.34, 2,275.74 and 1,152.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.34 : 2,275.74 = 1,152.78 : x
2. Step 2: Convert to fraction form
   1,650.34/2,275.74 = 1,152.78/x
3. Step 3: Cross multiply
   1,650.34x = 2,275.74 × 1,152.78
4. Step 4: Simplify right side
   1,650.34x = 2,623,427.56
5. Step 5: Solve for x
   x = 2,623,427.56/1,650.34
6. Step 6: Final answer
   x = 1,589.63