Finding the Fourth Proportional to 1,824.88, 2,736.96 and 850.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,824.88 : 2,736.96 = 850.72 : x
2. Step 2: Convert to fraction form
   1,824.88/2,736.96 = 850.72/x
3. Step 3: Cross multiply
   1,824.88x = 2,736.96 × 850.72
4. Step 4: Simplify right side
   1,824.88x = 2,328,386.61
5. Step 5: Solve for x
   x = 2,328,386.61/1,824.88
6. Step 6: Final answer
   x = 1,275.91