Finding the Fourth Proportional to 86,576.56, 129,816.24 and 30,401.04

Step by Step Solution

1. Step 1: Write the proportion equation
   86,576.56 : 129,816.24 = 30,401.04 : x
2. Step 2: Convert to fraction form
   86,576.56/129,816.24 = 30,401.04/x
3. Step 3: Cross multiply
   86,576.56x = 129,816.24 × 30,401.04
4. Step 4: Simplify right side
   86,576.56x = 3,946,548,704.89
5. Step 5: Solve for x
   x = 3,946,548,704.89/86,576.56
6. Step 6: Final answer
   x = 45,584.49