Finding the Fourth Proportional to 109,012.32, 150,298.20 and 73,145.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,012.32 : 150,298.20 = 73,145.52 : x
2. Step 2: Convert to fraction form
   109,012.32/150,298.20 = 73,145.52/x
3. Step 3: Cross multiply
   109,012.32x = 150,298.20 × 73,145.52
4. Step 4: Simplify right side
   109,012.32x = 10,993,639,994.06
5. Step 5: Solve for x
   x = 10,993,639,994.06/109,012.32
6. Step 6: Final answer
   x = 100,847.68