Finding the Fourth Proportional to 53,667.72, 80,534.34 and 33,919.08

Step by Step Solution

1. Step 1: Write the proportion equation
   53,667.72 : 80,534.34 = 33,919.08 : x
2. Step 2: Convert to fraction form
   53,667.72/80,534.34 = 33,919.08/x
3. Step 3: Cross multiply
   53,667.72x = 80,534.34 × 33,919.08
4. Step 4: Simplify right side
   53,667.72x = 2,731,650,721.21
5. Step 5: Solve for x
   x = 2,731,650,721.21/53,667.72
6. Step 6: Final answer
   x = 50,899.32