Finding the Fourth Proportional to 42,667.09, 63,998.24 and 13,084.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.09 : 63,998.24 = 13,084.85 : x
2. Step 2: Convert to fraction form
   42,667.09/63,998.24 = 13,084.85/x
3. Step 3: Cross multiply
   42,667.09x = 63,998.24 × 13,084.85
4. Step 4: Simplify right side
   42,667.09x = 837,407,370.66
5. Step 5: Solve for x
   x = 837,407,370.66/42,667.09
6. Step 6: Final answer
   x = 19,626.54