Finding the Fourth Proportional to 53,191.20, 73,401.60 and 30,514.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,191.20 : 73,401.60 = 30,514.56 : x
2. Step 2: Convert to fraction form
   53,191.20/73,401.60 = 30,514.56/x
3. Step 3: Cross multiply
   53,191.20x = 73,401.60 × 30,514.56
4. Step 4: Simplify right side
   53,191.20x = 2,239,817,527.30
5. Step 5: Solve for x
   x = 2,239,817,527.30/53,191.20
6. Step 6: Final answer
   x = 42,108.80