Finding the Fourth Proportional to 46,384.54, 69,579.69 and 13,107.15

Step by Step Solution

1. Step 1: Write the proportion equation
   46,384.54 : 69,579.69 = 13,107.15 : x
2. Step 2: Convert to fraction form
   46,384.54/69,579.69 = 13,107.15/x
3. Step 3: Cross multiply
   46,384.54x = 69,579.69 × 13,107.15
4. Step 4: Simplify right side
   46,384.54x = 911,991,433.78
5. Step 5: Solve for x
   x = 911,991,433.78/46,384.54
6. Step 6: Final answer
   x = 19,661.54