Finding the Fourth Proportional to 1,518.81, 2,094.71 and 1,283.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.81 : 2,094.71 = 1,283.31 : x
2. Step 2: Convert to fraction form
   1,518.81/2,094.71 = 1,283.31/x
3. Step 3: Cross multiply
   1,518.81x = 2,094.71 × 1,283.31
4. Step 4: Simplify right side
   1,518.81x = 2,688,155.87
5. Step 5: Solve for x
   x = 2,688,155.87/1,518.81
6. Step 6: Final answer
   x = 1,769.91