Finding the Fourth Proportional to 53,328.72, 80,058.66 and 50,573.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,328.72 : 80,058.66 = 50,573.10 : x
2. Step 2: Convert to fraction form
   53,328.72/80,058.66 = 50,573.10/x
3. Step 3: Cross multiply
   53,328.72x = 80,058.66 × 50,573.10
4. Step 4: Simplify right side
   53,328.72x = 4,048,814,618.05
5. Step 5: Solve for x
   x = 4,048,814,618.05/53,328.72
6. Step 6: Final answer
   x = 75,921.84