Finding the Fourth Proportional to 80,875.40, 111,581.57 and 49,032.68

Step by Step Solution

1. Step 1: Write the proportion equation
   80,875.40 : 111,581.57 = 49,032.68 : x
2. Step 2: Convert to fraction form
   80,875.40/111,581.57 = 49,032.68/x
3. Step 3: Cross multiply
   80,875.40x = 111,581.57 × 49,032.68
4. Step 4: Simplify right side
   80,875.40x = 5,471,142,980.38
5. Step 5: Solve for x
   x = 5,471,142,980.38/80,875.40
6. Step 6: Final answer
   x = 67,649.04