Finding the Fourth Proportional to 1,789.15, 2,468.83 and 1,042.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.15 : 2,468.83 = 1,042.58 : x
2. Step 2: Convert to fraction form
   1,789.15/2,468.83 = 1,042.58/x
3. Step 3: Cross multiply
   1,789.15x = 2,468.83 × 1,042.58
4. Step 4: Simplify right side
   1,789.15x = 2,573,965.07
5. Step 5: Solve for x
   x = 2,573,965.07/1,789.15
6. Step 6: Final answer
   x = 1,438.65