Finding the Fourth Proportional to 1,835.59, 2,748.48 and 1,054.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.59 : 2,748.48 = 1,054.42 : x
2. Step 2: Convert to fraction form
   1,835.59/2,748.48 = 1,054.42/x
3. Step 3: Cross multiply
   1,835.59x = 2,748.48 × 1,054.42
4. Step 4: Simplify right side
   1,835.59x = 2,898,033.27
5. Step 5: Solve for x
   x = 2,898,033.27/1,835.59
6. Step 6: Final answer
   x = 1,578.81