Finding the Fourth Proportional to 33,667.79, 46,461.87 and 18,561.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,667.79 : 46,461.87 = 18,561.05 : x
2. Step 2: Convert to fraction form
   33,667.79/46,461.87 = 18,561.05/x
3. Step 3: Cross multiply
   33,667.79x = 46,461.87 × 18,561.05
4. Step 4: Simplify right side
   33,667.79x = 862,381,034.09
5. Step 5: Solve for x
   x = 862,381,034.09/33,667.79
6. Step 6: Final answer
   x = 25,614.43