Finding the Fourth Proportional to 53,086.79, 73,262.79 and 30,429.55

Step by Step Solution

1. Step 1: Write the proportion equation
   53,086.79 : 73,262.79 = 30,429.55 : x
2. Step 2: Convert to fraction form
   53,086.79/73,262.79 = 30,429.55/x
3. Step 3: Cross multiply
   53,086.79x = 73,262.79 × 30,429.55
4. Step 4: Simplify right side
   53,086.79x = 2,229,353,731.44
5. Step 5: Solve for x
   x = 2,229,353,731.44/53,086.79
6. Step 6: Final answer
   x = 41,994.51