Finding the Fourth Proportional to 366,760.42, 550,136.16 and 100,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   366,760.42 : 550,136.16 = 100,520.72 : x
2. Step 2: Convert to fraction form
   366,760.42/550,136.16 = 100,520.72/x
3. Step 3: Cross multiply
   366,760.42x = 550,136.16 × 100,520.72
4. Step 4: Simplify right side
   366,760.42x = 55,300,082,901.24
5. Step 5: Solve for x
   x = 55,300,082,901.24/366,760.42
6. Step 6: Final answer
   x = 150,779.85