Finding the Fourth Proportional to 69,049.62, 103,605.57 and 31,108.34

Step by Step Solution

1. Step 1: Write the proportion equation
   69,049.62 : 103,605.57 = 31,108.34 : x
2. Step 2: Convert to fraction form
   69,049.62/103,605.57 = 31,108.34/x
3. Step 3: Cross multiply
   69,049.62x = 103,605.57 × 31,108.34
4. Step 4: Simplify right side
   69,049.62x = 3,222,996,779.43
5. Step 5: Solve for x
   x = 3,222,996,779.43/69,049.62
6. Step 6: Final answer
   x = 46,676.53