Finding the Fourth Proportional to 2,518.32, 3,779.52 and 1,058.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.32 : 3,779.52 = 1,058.43 : x
2. Step 2: Convert to fraction form
   2,518.32/3,779.52 = 1,058.43/x
3. Step 3: Cross multiply
   2,518.32x = 3,779.52 × 1,058.43
4. Step 4: Simplify right side
   2,518.32x = 4,000,357.35
5. Step 5: Solve for x
   x = 4,000,357.35/2,518.32
6. Step 6: Final answer
   x = 1,588.50