Finding the Fourth Proportional to 46,429.59, 69,643.04 and 13,149.59

Step by Step Solution

1. Step 1: Write the proportion equation
   46,429.59 : 69,643.04 = 13,149.59 : x
2. Step 2: Convert to fraction form
   46,429.59/69,643.04 = 13,149.59/x
3. Step 3: Cross multiply
   46,429.59x = 69,643.04 × 13,149.59
4. Step 4: Simplify right side
   46,429.59x = 915,777,629.34
5. Step 5: Solve for x
   x = 915,777,629.34/46,429.59
6. Step 6: Final answer
   x = 19,724.01