Finding the Fourth Proportional to 53,273.84, 79,786.24 and 42,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,273.84 : 79,786.24 = 42,105.56 : x
2. Step 2: Convert to fraction form
   53,273.84/79,786.24 = 42,105.56/x
3. Step 3: Cross multiply
   53,273.84x = 79,786.24 × 42,105.56
4. Step 4: Simplify right side
   53,273.84x = 3,359,444,315.49
5. Step 5: Solve for x
   x = 3,359,444,315.49/53,273.84
6. Step 6: Final answer
   x = 63,059.92