Finding the Fourth Proportional to 42,191.36, 58,218.36 and 35,843.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,191.36 : 58,218.36 = 35,843.60 : x
2. Step 2: Convert to fraction form
   42,191.36/58,218.36 = 35,843.60/x
3. Step 3: Cross multiply
   42,191.36x = 58,218.36 × 35,843.60
4. Step 4: Simplify right side
   42,191.36x = 2,086,755,608.50
5. Step 5: Solve for x
   x = 2,086,755,608.50/42,191.36
6. Step 6: Final answer
   x = 49,459.31