Finding the Fourth Proportional to 58,586.42, 80,788.79 and 50,116.58

Step by Step Solution

1. Step 1: Write the proportion equation
   58,586.42 : 80,788.79 = 50,116.58 : x
2. Step 2: Convert to fraction form
   58,586.42/80,788.79 = 50,116.58/x
3. Step 3: Cross multiply
   58,586.42x = 80,788.79 × 50,116.58
4. Step 4: Simplify right side
   58,586.42x = 4,048,857,857.14
5. Step 5: Solve for x
   x = 4,048,857,857.14/58,586.42
6. Step 6: Final answer
   x = 69,109.15