Finding the Fourth Proportional to 53,081.06, 73,243.49 and 30,415.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,081.06 : 73,243.49 = 30,415.69 : x
2. Step 2: Convert to fraction form
   53,081.06/73,243.49 = 30,415.69/x
3. Step 3: Cross multiply
   53,081.06x = 73,243.49 × 30,415.69
4. Step 4: Simplify right side
   53,081.06x = 2,227,751,362.40
5. Step 5: Solve for x
   x = 2,227,751,362.40/53,081.06
6. Step 6: Final answer
   x = 41,968.86