Finding the Fourth Proportional to 105,040.29, 157,580.93 and 33,980.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,040.29 : 157,580.93 = 33,980.55 : x
2. Step 2: Convert to fraction form
   105,040.29/157,580.93 = 33,980.55/x
3. Step 3: Cross multiply
   105,040.29x = 157,580.93 × 33,980.55
4. Step 4: Simplify right side
   105,040.29x = 5,354,686,670.91
5. Step 5: Solve for x
   x = 5,354,686,670.91/105,040.29
6. Step 6: Final answer
   x = 50,977.46