Finding the Fourth Proportional to 42,652.82, 63,992.56 and 12,667.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,652.82 : 63,992.56 = 12,667.23 : x
2. Step 2: Convert to fraction form
   42,652.82/63,992.56 = 12,667.23/x
3. Step 3: Cross multiply
   42,652.82x = 63,992.56 × 12,667.23
4. Step 4: Simplify right side
   42,652.82x = 810,608,444.14
5. Step 5: Solve for x
   x = 810,608,444.14/42,652.82
6. Step 6: Final answer
   x = 19,004.80