Finding the Fourth Proportional to 73,233.34, 109,773.92 and 31,140.42

Step by Step Solution

1. Step 1: Write the proportion equation
   73,233.34 : 109,773.92 = 31,140.42 : x
2. Step 2: Convert to fraction form
   73,233.34/109,773.92 = 31,140.42/x
3. Step 3: Cross multiply
   73,233.34x = 109,773.92 × 31,140.42
4. Step 4: Simplify right side
   73,233.34x = 3,418,405,973.85
5. Step 5: Solve for x
   x = 3,418,405,973.85/73,233.34
6. Step 6: Final answer
   x = 46,678.27