Finding the Fourth Proportional to 5,522.39, 7,623.72 and 4,260.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,522.39 : 7,623.72 = 4,260.61 : x
2. Step 2: Convert to fraction form
   5,522.39/7,623.72 = 4,260.61/x
3. Step 3: Cross multiply
   5,522.39x = 7,623.72 × 4,260.61
4. Step 4: Simplify right side
   5,522.39x = 32,481,638.25
5. Step 5: Solve for x
   x = 32,481,638.25/5,522.39
6. Step 6: Final answer
   x = 5,881.81