Finding the Fourth Proportional to 1,923.83, 2,654.87 and 1,137.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,923.83 : 2,654.87 = 1,137.86 : x
2. Step 2: Convert to fraction form
   1,923.83/2,654.87 = 1,137.86/x
3. Step 3: Cross multiply
   1,923.83x = 2,654.87 × 1,137.86
4. Step 4: Simplify right side
   1,923.83x = 3,020,851.41
5. Step 5: Solve for x
   x = 3,020,851.41/1,923.83
6. Step 6: Final answer
   x = 1,570.23