Finding the Fourth Proportional to 53,249.82, 73,489.59 and 30,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,249.82 : 73,489.59 = 30,889.50 : x
2. Step 2: Convert to fraction form
   53,249.82/73,489.59 = 30,889.50/x
3. Step 3: Cross multiply
   53,249.82x = 73,489.59 × 30,889.50
4. Step 4: Simplify right side
   53,249.82x = 2,270,056,690.31
5. Step 5: Solve for x
   x = 2,270,056,690.31/53,249.82
6. Step 6: Final answer
   x = 42,630.32