Finding the Fourth Proportional to 5,131.94, 7,698.24 and 1,622.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.94 : 7,698.24 = 1,622.07 : x
2. Step 2: Convert to fraction form
   5,131.94/7,698.24 = 1,622.07/x
3. Step 3: Cross multiply
   5,131.94x = 7,698.24 × 1,622.07
4. Step 4: Simplify right side
   5,131.94x = 12,487,084.16
5. Step 5: Solve for x
   x = 12,487,084.16/5,131.94
6. Step 6: Final answer
   x = 2,433.21