Finding the Fourth Proportional to 39,308.98, 58,661.39 and 35,105.08

Step by Step Solution

1. Step 1: Write the proportion equation
   39,308.98 : 58,661.39 = 35,105.08 : x
2. Step 2: Convert to fraction form
   39,308.98/58,661.39 = 35,105.08/x
3. Step 3: Cross multiply
   39,308.98x = 58,661.39 × 35,105.08
4. Step 4: Simplify right side
   39,308.98x = 2,059,312,788.86
5. Step 5: Solve for x
   x = 2,059,312,788.86/39,308.98
6. Step 6: Final answer
   x = 52,387.85