Finding the Fourth Proportional to 42,653.34, 63,928.12 and 30,176.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,653.34 : 63,928.12 = 30,176.96 : x
2. Step 2: Convert to fraction form
   42,653.34/63,928.12 = 30,176.96/x
3. Step 3: Cross multiply
   42,653.34x = 63,928.12 × 30,176.96
4. Step 4: Simplify right side
   42,653.34x = 1,929,155,849.59
5. Step 5: Solve for x
   x = 1,929,155,849.59/42,653.34
6. Step 6: Final answer
   x = 45,228.72