Finding the Fourth Proportional to 1,724.76, 2,380.68 and 1,052.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.76 : 2,380.68 = 1,052.82 : x
2. Step 2: Convert to fraction form
   1,724.76/2,380.68 = 1,052.82/x
3. Step 3: Cross multiply
   1,724.76x = 2,380.68 × 1,052.82
4. Step 4: Simplify right side
   1,724.76x = 2,506,427.52
5. Step 5: Solve for x
   x = 2,506,427.52/1,724.76
6. Step 6: Final answer
   x = 1,453.20