Finding the Fourth Proportional to 1,804.32, 2,490.18 and 1,058.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.32 : 2,490.18 = 1,058.52 : x
2. Step 2: Convert to fraction form
   1,804.32/2,490.18 = 1,058.52/x
3. Step 3: Cross multiply
   1,804.32x = 2,490.18 × 1,058.52
4. Step 4: Simplify right side
   1,804.32x = 2,635,905.33
5. Step 5: Solve for x
   x = 2,635,905.33/1,804.32
6. Step 6: Final answer
   x = 1,460.89