Finding the Fourth Proportional to 53,259.72, 73,500.80 and 30,606.05

Step by Step Solution

1. Step 1: Write the proportion equation
   53,259.72 : 73,500.80 = 30,606.05 : x
2. Step 2: Convert to fraction form
   53,259.72/73,500.80 = 30,606.05/x
3. Step 3: Cross multiply
   53,259.72x = 73,500.80 × 30,606.05
4. Step 4: Simplify right side
   53,259.72x = 2,249,568,639.31
5. Step 5: Solve for x
   x = 2,249,568,639.31/53,259.72
6. Step 6: Final answer
   x = 42,237.71