Finding the Fourth Proportional to 107,697.92, 148,496 and 73,722.88

Step by Step Solution

1. Step 1: Write the proportion equation
   107,697.92 : 148,496 = 73,722.88 : x
2. Step 2: Convert to fraction form
   107,697.92/148,496 = 73,722.88/x
3. Step 3: Cross multiply
   107,697.92x = 148,496 × 73,722.88
4. Step 4: Simplify right side
   107,697.92x = 10,947,552,788.48
5. Step 5: Solve for x
   x = 10,947,552,788.48/107,697.92
6. Step 6: Final answer
   x = 101,650.55