Finding the Fourth Proportional to 46,647.05, 69,949.52 and 13,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,647.05 : 69,949.52 = 13,359.50 : x
2. Step 2: Convert to fraction form
   46,647.05/69,949.52 = 13,359.50/x
3. Step 3: Cross multiply
   46,647.05x = 69,949.52 × 13,359.50
4. Step 4: Simplify right side
   46,647.05x = 934,490,195.89
5. Step 5: Solve for x
   x = 934,490,195.89/46,647.05
6. Step 6: Final answer
   x = 20,033.21