Finding the Fourth Proportional to 1,624.82, 2,442.63 and 1,259.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.82 : 2,442.63 = 1,259.78 : x
2. Step 2: Convert to fraction form
   1,624.82/2,442.63 = 1,259.78/x
3. Step 3: Cross multiply
   1,624.82x = 2,442.63 × 1,259.78
4. Step 4: Simplify right side
   1,624.82x = 3,077,176.42
5. Step 5: Solve for x
   x = 3,077,176.42/1,624.82
6. Step 6: Final answer
   x = 1,893.86