Finding the Fourth Proportional to 91,450.92, 137,141.91 and 31,462.43

Step by Step Solution

1. Step 1: Write the proportion equation
   91,450.92 : 137,141.91 = 31,462.43 : x
2. Step 2: Convert to fraction form
   91,450.92/137,141.91 = 31,462.43/x
3. Step 3: Cross multiply
   91,450.92x = 137,141.91 × 31,462.43
4. Step 4: Simplify right side
   91,450.92x = 4,314,817,057.73
5. Step 5: Solve for x
   x = 4,314,817,057.73/91,450.92
6. Step 6: Final answer
   x = 47,181.78