Finding the Fourth Proportional to 2,483.51, 3,725.59 and 840.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.51 : 3,725.59 = 840.52 : x
2. Step 2: Convert to fraction form
   2,483.51/3,725.59 = 840.52/x
3. Step 3: Cross multiply
   2,483.51x = 3,725.59 × 840.52
4. Step 4: Simplify right side
   2,483.51x = 3,131,428.70
5. Step 5: Solve for x
   x = 3,131,428.70/2,483.51
6. Step 6: Final answer
   x = 1,260.89