Finding the Fourth Proportional to 105,573.78, 158,370.98 and 30,694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,573.78 : 158,370.98 = 30,694.50 : x
2. Step 2: Convert to fraction form
   105,573.78/158,370.98 = 30,694.50/x
3. Step 3: Cross multiply
   105,573.78x = 158,370.98 × 30,694.50
4. Step 4: Simplify right side
   105,573.78x = 4,861,117,892.14
5. Step 5: Solve for x
   x = 4,861,117,892.14/105,573.78
6. Step 6: Final answer
   x = 46,044.75