Finding the Fourth Proportional to 1,485.34, 2,050.77 and 1,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.34 : 2,050.77 = 1,360.50 : x
2. Step 2: Convert to fraction form
   1,485.34/2,050.77 = 1,360.50/x
3. Step 3: Cross multiply
   1,485.34x = 2,050.77 × 1,360.50
4. Step 4: Simplify right side
   1,485.34x = 2,790,062.34
5. Step 5: Solve for x
   x = 2,790,062.34/1,485.34
6. Step 6: Final answer
   x = 1,878.40