Finding the Fourth Proportional to 80,929.80, 111,663.90 and 49,097.88

Step by Step Solution

1. Step 1: Write the proportion equation
   80,929.80 : 111,663.90 = 49,097.88 : x
2. Step 2: Convert to fraction form
   80,929.80/111,663.90 = 49,097.88/x
3. Step 3: Cross multiply
   80,929.80x = 111,663.90 × 49,097.88
4. Step 4: Simplify right side
   80,929.80x = 5,482,460,762.53
5. Step 5: Solve for x
   x = 5,482,460,762.53/80,929.80
6. Step 6: Final answer
   x = 67,743.41