Finding the Fourth Proportional to 105,567.72, 158,353.60 and 34,490.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,567.72 : 158,353.60 = 34,490.55 : x
2. Step 2: Convert to fraction form
   105,567.72/158,353.60 = 34,490.55/x
3. Step 3: Cross multiply
   105,567.72x = 158,353.60 × 34,490.55
4. Step 4: Simplify right side
   105,567.72x = 5,461,702,758.48
5. Step 5: Solve for x
   x = 5,461,702,758.48/105,567.72
6. Step 6: Final answer
   x = 51,736.48