Finding the Fourth Proportional to 375,280.10, 562,978.46 and 126,020.42

Step by Step Solution

1. Step 1: Write the proportion equation
   375,280.10 : 562,978.46 = 126,020.42 : x
2. Step 2: Convert to fraction form
   375,280.10/562,978.46 = 126,020.42/x
3. Step 3: Cross multiply
   375,280.10x = 562,978.46 × 126,020.42
4. Step 4: Simplify right side
   375,280.10x = 70,946,780,772.18
5. Step 5: Solve for x
   x = 70,946,780,772.18/375,280.10
6. Step 6: Final answer
   x = 189,050.21