Finding the Fourth Proportional to 42,667.29, 63,993.65 and 11,495.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.29 : 63,993.65 = 11,495.25 : x
2. Step 2: Convert to fraction form
   42,667.29/63,993.65 = 11,495.25/x
3. Step 3: Cross multiply
   42,667.29x = 63,993.65 × 11,495.25
4. Step 4: Simplify right side
   42,667.29x = 735,622,947.69
5. Step 5: Solve for x
   x = 735,622,947.69/42,667.29
6. Step 6: Final answer
   x = 17,240.91