Finding the Fourth Proportional to 151,806.72, 227,709.60 and 40,998.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,806.72 : 227,709.60 = 40,998.72 : x
2. Step 2: Convert to fraction form
   151,806.72/227,709.60 = 40,998.72/x
3. Step 3: Cross multiply
   151,806.72x = 227,709.60 × 40,998.72
4. Step 4: Simplify right side
   151,806.72x = 9,335,802,131.71
5. Step 5: Solve for x
   x = 9,335,802,131.71/151,806.72
6. Step 6: Final answer
   x = 61,497.95