Finding the Fourth Proportional to 108,921.04, 150,299.72 and 73,103.76

Step by Step Solution

1. Step 1: Write the proportion equation
   108,921.04 : 150,299.72 = 73,103.76 : x
2. Step 2: Convert to fraction form
   108,921.04/150,299.72 = 73,103.76/x
3. Step 3: Cross multiply
   108,921.04x = 150,299.72 × 73,103.76
4. Step 4: Simplify right side
   108,921.04x = 10,987,474,658.95
5. Step 5: Solve for x
   x = 10,987,474,658.95/108,921.04
6. Step 6: Final answer
   x = 100,875.59