Finding the Fourth Proportional to 151,720.76, 227,560.89 and 45,102.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,720.76 : 227,560.89 = 45,102.72 : x
2. Step 2: Convert to fraction form
   151,720.76/227,560.89 = 45,102.72/x
3. Step 3: Cross multiply
   151,720.76x = 227,560.89 × 45,102.72
4. Step 4: Simplify right side
   151,720.76x = 10,263,615,217.38
5. Step 5: Solve for x
   x = 10,263,615,217.38/151,720.76
6. Step 6: Final answer
   x = 67,648.06