Finding the Fourth Proportional to 105,074.72, 157,613.45 and 34,954.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,074.72 : 157,613.45 = 34,954.03 : x
2. Step 2: Convert to fraction form
   105,074.72/157,613.45 = 34,954.03/x
3. Step 3: Cross multiply
   105,074.72x = 157,613.45 × 34,954.03
4. Step 4: Simplify right side
   105,074.72x = 5,509,225,281.95
5. Step 5: Solve for x
   x = 5,509,225,281.95/105,074.72
6. Step 6: Final answer
   x = 52,431.50