Finding the Fourth Proportional to 73,667.40, 110,428.20 and 36,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   73,667.40 : 110,428.20 = 36,196.80 : x
2. Step 2: Convert to fraction form
   73,667.40/110,428.20 = 36,196.80/x
3. Step 3: Cross multiply
   73,667.40x = 110,428.20 × 36,196.80
4. Step 4: Simplify right side
   73,667.40x = 3,997,147,469.76
5. Step 5: Solve for x
   x = 3,997,147,469.76/73,667.40
6. Step 6: Final answer
   x = 54,259.38