Finding the Fourth Proportional to 1,849.50, 2,552.31 and 1,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849.50 : 2,552.31 = 1,021.50 : x
2. Step 2: Convert to fraction form
   1,849.50/2,552.31 = 1,021.50/x
3. Step 3: Cross multiply
   1,849.50x = 2,552.31 × 1,021.50
4. Step 4: Simplify right side
   1,849.50x = 2,607,184.67
5. Step 5: Solve for x
   x = 2,607,184.67/1,849.50
6. Step 6: Final answer
   x = 1,409.67