Finding the Fourth Proportional to 72,804.67, 109,161.78 and 30,663.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,804.67 : 109,161.78 = 30,663.06 : x
2. Step 2: Convert to fraction form
   72,804.67/109,161.78 = 30,663.06/x
3. Step 3: Cross multiply
   72,804.67x = 109,161.78 × 30,663.06
4. Step 4: Simplify right side
   72,804.67x = 3,347,233,685.50
5. Step 5: Solve for x
   x = 3,347,233,685.50/72,804.67
6. Step 6: Final answer
   x = 45,975.53