Finding the Fourth Proportional to 53,105.35, 73,276.80 and 30,440.17

Step by Step Solution

1. Step 1: Write the proportion equation
   53,105.35 : 73,276.80 = 30,440.17 : x
2. Step 2: Convert to fraction form
   53,105.35/73,276.80 = 30,440.17/x
3. Step 3: Cross multiply
   53,105.35x = 73,276.80 × 30,440.17
4. Step 4: Simplify right side
   53,105.35x = 2,230,558,180.01
5. Step 5: Solve for x
   x = 2,230,558,180.01/53,105.35
6. Step 6: Final answer
   x = 42,002.52