Finding the Fourth Proportional to 8,392.34, 12,594.54 and 5,624.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,392.34 : 12,594.54 = 5,624.30 : x
2. Step 2: Convert to fraction form
   8,392.34/12,594.54 = 5,624.30/x
3. Step 3: Cross multiply
   8,392.34x = 12,594.54 × 5,624.30
4. Step 4: Simplify right side
   8,392.34x = 70,835,471.32
5. Step 5: Solve for x
   x = 70,835,471.32/8,392.34
6. Step 6: Final answer
   x = 8,440.49