Finding the Fourth Proportional to 1,520.76, 2,099.32 and 923.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.76 : 2,099.32 = 923.52 : x
2. Step 2: Convert to fraction form
   1,520.76/2,099.32 = 923.52/x
3. Step 3: Cross multiply
   1,520.76x = 2,099.32 × 923.52
4. Step 4: Simplify right side
   1,520.76x = 1,938,764.01
5. Step 5: Solve for x
   x = 1,938,764.01/1,520.76
6. Step 6: Final answer
   x = 1,274.87