Finding the Fourth Proportional to 58,616.31, 80,845.86 and 50,453.81

Step by Step Solution

1. Step 1: Write the proportion equation
   58,616.31 : 80,845.86 = 50,453.81 : x
2. Step 2: Convert to fraction form
   58,616.31/80,845.86 = 50,453.81/x
3. Step 3: Cross multiply
   58,616.31x = 80,845.86 × 50,453.81
4. Step 4: Simplify right side
   58,616.31x = 4,078,981,255.50
5. Step 5: Solve for x
   x = 4,078,981,255.50/58,616.31
6. Step 6: Final answer
   x = 69,587.82