Finding the Fourth Proportional to 1,883.31, 2,822.45 and 1,061.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,883.31 : 2,822.45 = 1,061.25 : x
2. Step 2: Convert to fraction form
   1,883.31/2,822.45 = 1,061.25/x
3. Step 3: Cross multiply
   1,883.31x = 2,822.45 × 1,061.25
4. Step 4: Simplify right side
   1,883.31x = 2,995,319.76
5. Step 5: Solve for x
   x = 2,995,319.76/1,883.31
6. Step 6: Final answer
   x = 1,590.45