Finding the Fourth Proportional to 8,975.94, 12,392.88 and 5,620.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,975.94 : 12,392.88 = 5,620.10 : x
2. Step 2: Convert to fraction form
   8,975.94/12,392.88 = 5,620.10/x
3. Step 3: Cross multiply
   8,975.94x = 12,392.88 × 5,620.10
4. Step 4: Simplify right side
   8,975.94x = 69,649,224.89
5. Step 5: Solve for x
   x = 69,649,224.89/8,975.94
6. Step 6: Final answer
   x = 7,759.55