Finding the Fourth Proportional to 1,485.63, 2,050.83 and 926.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.63 : 2,050.83 = 926.87 : x
2. Step 2: Convert to fraction form
   1,485.63/2,050.83 = 926.87/x
3. Step 3: Cross multiply
   1,485.63x = 2,050.83 × 926.87
4. Step 4: Simplify right side
   1,485.63x = 1,900,842.55
5. Step 5: Solve for x
   x = 1,900,842.55/1,485.63
6. Step 6: Final answer
   x = 1,279.49