Finding the Fourth Proportional to 80,530.12, 111,113.67 and 48,698.34

Step by Step Solution

1. Step 1: Write the proportion equation
   80,530.12 : 111,113.67 = 48,698.34 : x
2. Step 2: Convert to fraction form
   80,530.12/111,113.67 = 48,698.34/x
3. Step 3: Cross multiply
   80,530.12x = 111,113.67 × 48,698.34
4. Step 4: Simplify right side
   80,530.12x = 5,411,051,280.31
5. Step 5: Solve for x
   x = 5,411,051,280.31/80,530.12
6. Step 6: Final answer
   x = 67,192.89