Finding the Fourth Proportional to 53,105.60, 73,277.15 and 30,440.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,105.60 : 73,277.15 = 30,440.42 : x
2. Step 2: Convert to fraction form
   53,105.60/73,277.15 = 30,440.42/x
3. Step 3: Cross multiply
   53,105.60x = 73,277.15 × 30,440.42
4. Step 4: Simplify right side
   53,105.60x = 2,230,587,001.16
5. Step 5: Solve for x
   x = 2,230,587,001.16/53,105.60
6. Step 6: Final answer
   x = 42,002.86