Finding the Fourth Proportional to 105,747.99, 145,934.22 and 58,003.75

Step by Step Solution

1. Step 1: Write the proportion equation
   105,747.99 : 145,934.22 = 58,003.75 : x
2. Step 2: Convert to fraction form
   105,747.99/145,934.22 = 58,003.75/x
3. Step 3: Cross multiply
   105,747.99x = 145,934.22 × 58,003.75
4. Step 4: Simplify right side
   105,747.99x = 8,464,732,013.33
5. Step 5: Solve for x
   x = 8,464,732,013.33/105,747.99
6. Step 6: Final answer
   x = 80,046.27