Finding the Fourth Proportional to 45,869.72, 63,318.22 and 30,756.86

Step by Step Solution

1. Step 1: Write the proportion equation
   45,869.72 : 63,318.22 = 30,756.86 : x
2. Step 2: Convert to fraction form
   45,869.72/63,318.22 = 30,756.86/x
3. Step 3: Cross multiply
   45,869.72x = 63,318.22 × 30,756.86
4. Step 4: Simplify right side
   45,869.72x = 1,947,469,627.99
5. Step 5: Solve for x
   x = 1,947,469,627.99/45,869.72
6. Step 6: Final answer
   x = 42,456.54