Finding the Fourth Proportional to 100,424.84, 150,638.42 and 30,304.76

Step by Step Solution

1. Step 1: Write the proportion equation
   100,424.84 : 150,638.42 = 30,304.76 : x
2. Step 2: Convert to fraction form
   100,424.84/150,638.42 = 30,304.76/x
3. Step 3: Cross multiply
   100,424.84x = 150,638.42 × 30,304.76
4. Step 4: Simplify right side
   100,424.84x = 4,565,061,164.88
5. Step 5: Solve for x
   x = 4,565,061,164.88/100,424.84
6. Step 6: Final answer
   x = 45,457.49