Finding the Fourth Proportional to 12,406.96, 18,594.79 and 5,007.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.96 : 18,594.79 = 5,007.30 : x
2. Step 2: Convert to fraction form
   12,406.96/18,594.79 = 5,007.30/x
3. Step 3: Cross multiply
   12,406.96x = 18,594.79 × 5,007.30
4. Step 4: Simplify right side
   12,406.96x = 93,109,679.45
5. Step 5: Solve for x
   x = 93,109,679.45/12,406.96
6. Step 6: Final answer
   x = 7,504.63