Finding the Fourth Proportional to 53,048.88, 79,085.34 and 50,560.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,048.88 : 79,085.34 = 50,560.56 : x
2. Step 2: Convert to fraction form
   53,048.88/79,085.34 = 50,560.56/x
3. Step 3: Cross multiply
   53,048.88x = 79,085.34 × 50,560.56
4. Step 4: Simplify right side
   53,048.88x = 3,998,599,078.19
5. Step 5: Solve for x
   x = 3,998,599,078.19/53,048.88
6. Step 6: Final answer
   x = 75,375.75