Finding the Fourth Proportional to 46,667.84, 69,987.38 and 13,379.00

Step by Step Solution

1. Step 1: Write the proportion equation
   46,667.84 : 69,987.38 = 13,379.00 : x
2. Step 2: Convert to fraction form
   46,667.84/69,987.38 = 13,379.00/x
3. Step 3: Cross multiply
   46,667.84x = 69,987.38 × 13,379.00
4. Step 4: Simplify right side
   46,667.84x = 936,360,740.19
5. Step 5: Solve for x
   x = 936,360,740.19/46,667.84
6. Step 6: Final answer
   x = 20,064.37