Finding the Fourth Proportional to 1,926.38, 2,890.18 and 1,048.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.38 : 2,890.18 = 1,048.55 : x
2. Step 2: Convert to fraction form
   1,926.38/2,890.18 = 1,048.55/x
3. Step 3: Cross multiply
   1,926.38x = 2,890.18 × 1,048.55
4. Step 4: Simplify right side
   1,926.38x = 3,030,485.10
5. Step 5: Solve for x
   x = 3,030,485.10/1,926.38
6. Step 6: Final answer
   x = 1,573.15