Finding the Fourth Proportional to 45,919.72, 68,896.89 and 31,266.82

Step by Step Solution

1. Step 1: Write the proportion equation
   45,919.72 : 68,896.89 = 31,266.82 : x
2. Step 2: Convert to fraction form
   45,919.72/68,896.89 = 31,266.82/x
3. Step 3: Cross multiply
   45,919.72x = 68,896.89 × 31,266.82
4. Step 4: Simplify right side
   45,919.72x = 2,154,186,485.95
5. Step 5: Solve for x
   x = 2,154,186,485.95/45,919.72
6. Step 6: Final answer
   x = 46,912.02