Finding the Fourth Proportional to 109,221.00, 150,647.34 and 72,904.14

Step by Step Solution

1. Step 1: Write the proportion equation
   109,221.00 : 150,647.34 = 72,904.14 : x
2. Step 2: Convert to fraction form
   109,221.00/150,647.34 = 72,904.14/x
3. Step 3: Cross multiply
   109,221.00x = 150,647.34 × 72,904.14
4. Step 4: Simplify right side
   109,221.00x = 10,982,814,018.80
5. Step 5: Solve for x
   x = 10,982,814,018.80/109,221.00
6. Step 6: Final answer
   x = 100,555.88