Finding the Fourth Proportional to 39,667.96, 54,741.76 and 21,763.08

Step by Step Solution

1. Step 1: Write the proportion equation
   39,667.96 : 54,741.76 = 21,763.08 : x
2. Step 2: Convert to fraction form
   39,667.96/54,741.76 = 21,763.08/x
3. Step 3: Cross multiply
   39,667.96x = 54,741.76 × 21,763.08
4. Step 4: Simplify right side
   39,667.96x = 1,191,349,302.22
5. Step 5: Solve for x
   x = 1,191,349,302.22/39,667.96
6. Step 6: Final answer
   x = 30,033.04