Finding the Fourth Proportional to 105,114.42, 157,647.96 and 30,217.86

Step by Step Solution

1. Step 1: Write the proportion equation
   105,114.42 : 157,647.96 = 30,217.86 : x
2. Step 2: Convert to fraction form
   105,114.42/157,647.96 = 30,217.86/x
3. Step 3: Cross multiply
   105,114.42x = 157,647.96 × 30,217.86
4. Step 4: Simplify right side
   105,114.42x = 4,763,783,984.57
5. Step 5: Solve for x
   x = 4,763,783,984.57/105,114.42
6. Step 6: Final answer
   x = 45,319.99