Finding the Fourth Proportional to 105,566.72, 158,352.10 and 34,489.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,566.72 : 158,352.10 = 34,489.55 : x
2. Step 2: Convert to fraction form
   105,566.72/158,352.10 = 34,489.55/x
3. Step 3: Cross multiply
   105,566.72x = 158,352.10 × 34,489.55
4. Step 4: Simplify right side
   105,566.72x = 5,461,492,980.21
5. Step 5: Solve for x
   x = 5,461,492,980.21/105,566.72
6. Step 6: Final answer
   x = 51,734.99