Finding the Fourth Proportional to 53,958.57, 74,463.25 and 30,086.78

Step by Step Solution

1. Step 1: Write the proportion equation
   53,958.57 : 74,463.25 = 30,086.78 : x
2. Step 2: Convert to fraction form
   53,958.57/74,463.25 = 30,086.78/x
3. Step 3: Cross multiply
   53,958.57x = 74,463.25 × 30,086.78
4. Step 4: Simplify right side
   53,958.57x = 2,240,359,343.86
5. Step 5: Solve for x
   x = 2,240,359,343.86/53,958.57
6. Step 6: Final answer
   x = 41,519.99