Finding the Fourth Proportional to 1,855.55, 2,789.72 and 1,492.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.55 : 2,789.72 = 1,492.88 : x
2. Step 2: Convert to fraction form
   1,855.55/2,789.72 = 1,492.88/x
3. Step 3: Cross multiply
   1,855.55x = 2,789.72 × 1,492.88
4. Step 4: Simplify right side
   1,855.55x = 4,164,717.19
5. Step 5: Solve for x
   x = 4,164,717.19/1,855.55
6. Step 6: Final answer
   x = 2,244.47