Finding the Fourth Proportional to 490,700.56, 736,050.78 and 158,276.56

Step by Step Solution

1. Step 1: Write the proportion equation
   490,700.56 : 736,050.78 = 158,276.56 : x
2. Step 2: Convert to fraction form
   490,700.56/736,050.78 = 158,276.56/x
3. Step 3: Cross multiply
   490,700.56x = 736,050.78 × 158,276.56
4. Step 4: Simplify right side
   490,700.56x = 116,499,585,443.72
5. Step 5: Solve for x
   x = 116,499,585,443.72/490,700.56
6. Step 6: Final answer
   x = 237,414.82