Finding the Fourth Proportional to 3,522.34, 5,284.59 and 2,058.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.34 : 5,284.59 = 2,058.40 : x
2. Step 2: Convert to fraction form
   3,522.34/5,284.59 = 2,058.40/x
3. Step 3: Cross multiply
   3,522.34x = 5,284.59 × 2,058.40
4. Step 4: Simplify right side
   3,522.34x = 10,877,800.06
5. Step 5: Solve for x
   x = 10,877,800.06/3,522.34
6. Step 6: Final answer
   x = 3,088.23