Finding the Fourth Proportional to 65,943.97, 90,998.37 and 42,068.08

Step by Step Solution

1. Step 1: Write the proportion equation
   65,943.97 : 90,998.37 = 42,068.08 : x
2. Step 2: Convert to fraction form
   65,943.97/90,998.37 = 42,068.08/x
3. Step 3: Cross multiply
   65,943.97x = 90,998.37 × 42,068.08
4. Step 4: Simplify right side
   65,943.97x = 3,828,126,709.03
5. Step 5: Solve for x
   x = 3,828,126,709.03/65,943.97
6. Step 6: Final answer
   x = 58,051.20