Finding the Fourth Proportional to 105,040.42, 157,581.11 and 33,980.67

Step by Step Solution

1. Step 1: Write the proportion equation
   105,040.42 : 157,581.11 = 33,980.67 : x
2. Step 2: Convert to fraction form
   105,040.42/157,581.11 = 33,980.67/x
3. Step 3: Cross multiply
   105,040.42x = 157,581.11 × 33,980.67
4. Step 4: Simplify right side
   105,040.42x = 5,354,711,782.10
5. Step 5: Solve for x
   x = 5,354,711,782.10/105,040.42
6. Step 6: Final answer
   x = 50,977.63