Finding the Fourth Proportional to 68,926.02, 103,243.69 and 31,517.53

Step by Step Solution

1. Step 1: Write the proportion equation
   68,926.02 : 103,243.69 = 31,517.53 : x
2. Step 2: Convert to fraction form
   68,926.02/103,243.69 = 31,517.53/x
3. Step 3: Cross multiply
   68,926.02x = 103,243.69 × 31,517.53
4. Step 4: Simplify right side
   68,926.02x = 3,253,986,096.89
5. Step 5: Solve for x
   x = 3,253,986,096.89/68,926.02
6. Step 6: Final answer
   x = 47,209.84