Finding the Fourth Proportional to 2,058.32, 2,837.46 and 1,638.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.32 : 2,837.46 = 1,638.84 : x
2. Step 2: Convert to fraction form
   2,058.32/2,837.46 = 1,638.84/x
3. Step 3: Cross multiply
   2,058.32x = 2,837.46 × 1,638.84
4. Step 4: Simplify right side
   2,058.32x = 4,650,142.95
5. Step 5: Solve for x
   x = 4,650,142.95/2,058.32
6. Step 6: Final answer
   x = 2,259.19