Finding the Fourth Proportional to 109,998, 151,797.24 and 72,339.48

Step by Step Solution

1. Step 1: Write the proportion equation
   109,998 : 151,797.24 = 72,339.48 : x
2. Step 2: Convert to fraction form
   109,998/151,797.24 = 72,339.48/x
3. Step 3: Cross multiply
   109,998x = 151,797.24 × 72,339.48
4. Step 4: Simplify right side
   109,998x = 10,980,933,407.04
5. Step 5: Solve for x
   x = 10,980,933,407.04/109,998
6. Step 6: Final answer
   x = 99,828.48