Finding the Fourth Proportional to 46,016.34, 69,024.42 and 12,736.31

Step by Step Solution

1. Step 1: Write the proportion equation
   46,016.34 : 69,024.42 = 12,736.31 : x
2. Step 2: Convert to fraction form
   46,016.34/69,024.42 = 12,736.31/x
3. Step 3: Cross multiply
   46,016.34x = 69,024.42 × 12,736.31
4. Step 4: Simplify right side
   46,016.34x = 879,116,065.57
5. Step 5: Solve for x
   x = 879,116,065.57/46,016.34
6. Step 6: Final answer
   x = 19,104.43