Finding the Fourth Proportional to 45,689.33, 68,499.27 and 31,611.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45,689.33 : 68,499.27 = 31,611.94 : x
2. Step 2: Convert to fraction form
   45,689.33/68,499.27 = 31,611.94/x
3. Step 3: Cross multiply
   45,689.33x = 68,499.27 × 31,611.94
4. Step 4: Simplify right side
   45,689.33x = 2,165,394,642.04
5. Step 5: Solve for x
   x = 2,165,394,642.04/45,689.33
6. Step 6: Final answer
   x = 47,393.88