Finding the Fourth Proportional to 93,317, 139,989.60 and 30,116

Step by Step Solution

1. Step 1: Write the proportion equation
   93,317 : 139,989.60 = 30,116 : x
2. Step 2: Convert to fraction form
   93,317/139,989.60 = 30,116/x
3. Step 3: Cross multiply
   93,317x = 139,989.60 × 30,116
4. Step 4: Simplify right side
   93,317x = 4,215,926,793.60
5. Step 5: Solve for x
   x = 4,215,926,793.60/93,317
6. Step 6: Final answer
   x = 45,178.55