Finding the Fourth Proportional to 101,019.41, 151,622.61 and 51,134.55

Step by Step Solution

1. Step 1: Write the proportion equation
   101,019.41 : 151,622.61 = 51,134.55 : x
2. Step 2: Convert to fraction form
   101,019.41/151,622.61 = 51,134.55/x
3. Step 3: Cross multiply
   101,019.41x = 151,622.61 × 51,134.55
4. Step 4: Simplify right side
   101,019.41x = 7,753,153,932.18
5. Step 5: Solve for x
   x = 7,753,153,932.18/101,019.41
6. Step 6: Final answer
   x = 76,749.15