Finding the Fourth Proportional to 46,443.99, 69,665.86 and 13,164.35

Step by Step Solution

1. Step 1: Write the proportion equation
   46,443.99 : 69,665.86 = 13,164.35 : x
2. Step 2: Convert to fraction form
   46,443.99/69,665.86 = 13,164.35/x
3. Step 3: Cross multiply
   46,443.99x = 69,665.86 × 13,164.35
4. Step 4: Simplify right side
   46,443.99x = 917,105,665.18
5. Step 5: Solve for x
   x = 917,105,665.18/46,443.99
6. Step 6: Final answer
   x = 19,746.49