Finding the Fourth Proportional to 43,096.68, 64,688.58 and 30,630.78

Step by Step Solution

1. Step 1: Write the proportion equation
   43,096.68 : 64,688.58 = 30,630.78 : x
2. Step 2: Convert to fraction form
   43,096.68/64,688.58 = 30,630.78/x
3. Step 3: Cross multiply
   43,096.68x = 64,688.58 × 30,630.78
4. Step 4: Simplify right side
   43,096.68x = 1,981,461,662.49
5. Step 5: Solve for x
   x = 1,981,461,662.49/43,096.68
6. Step 6: Final answer
   x = 45,977.13