Finding the Fourth Proportional to 1,884.50, 2,600.69 and 1,045.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,884.50 : 2,600.69 = 1,045.21 : x
2. Step 2: Convert to fraction form
   1,884.50/2,600.69 = 1,045.21/x
3. Step 3: Cross multiply
   1,884.50x = 2,600.69 × 1,045.21
4. Step 4: Simplify right side
   1,884.50x = 2,718,255.47
5. Step 5: Solve for x
   x = 2,718,255.47/1,884.50
6. Step 6: Final answer
   x = 1,442.43