Finding the Fourth Proportional to 1,552.93, 2,142.76 and 923.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.93 : 2,142.76 = 923.62 : x
2. Step 2: Convert to fraction form
   1,552.93/2,142.76 = 923.62/x
3. Step 3: Cross multiply
   1,552.93x = 2,142.76 × 923.62
4. Step 4: Simplify right side
   1,552.93x = 1,979,085.55
5. Step 5: Solve for x
   x = 1,979,085.55/1,552.93
6. Step 6: Final answer
   x = 1,274.42