Finding the Fourth Proportional to 300,726.70, 451,131.50 and 101,062.55

Step by Step Solution

1. Step 1: Write the proportion equation
   300,726.70 : 451,131.50 = 101,062.55 : x
2. Step 2: Convert to fraction form
   300,726.70/451,131.50 = 101,062.55/x
3. Step 3: Cross multiply
   300,726.70x = 451,131.50 × 101,062.55
4. Step 4: Simplify right side
   300,726.70x = 45,592,499,775.33
5. Step 5: Solve for x
   x = 45,592,499,775.33/300,726.70
6. Step 6: Final answer
   x = 151,607.75