Finding the Fourth Proportional to 53,087.27, 73,259.15 and 30,439.51

Step by Step Solution

1. Step 1: Write the proportion equation
   53,087.27 : 73,259.15 = 30,439.51 : x
2. Step 2: Convert to fraction form
   53,087.27/73,259.15 = 30,439.51/x
3. Step 3: Cross multiply
   53,087.27x = 73,259.15 × 30,439.51
4. Step 4: Simplify right side
   53,087.27x = 2,229,972,876.98
5. Step 5: Solve for x
   x = 2,229,972,876.98/53,087.27
6. Step 6: Final answer
   x = 42,005.80