Finding the Fourth Proportional to 105,603.34, 158,391.79 and 34,520.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,603.34 : 158,391.79 = 34,520.02 : x
2. Step 2: Convert to fraction form
   105,603.34/158,391.79 = 34,520.02/x
3. Step 3: Cross multiply
   105,603.34x = 158,391.79 × 34,520.02
4. Step 4: Simplify right side
   105,603.34x = 5,467,687,758.64
5. Step 5: Solve for x
   x = 5,467,687,758.64/105,603.34
6. Step 6: Final answer
   x = 51,775.71