Finding the Fourth Proportional to 65,908.54, 99,020.52 and 42,262.41

Step by Step Solution

1. Step 1: Write the proportion equation
   65,908.54 : 99,020.52 = 42,262.41 : x
2. Step 2: Convert to fraction form
   65,908.54/99,020.52 = 42,262.41/x
3. Step 3: Cross multiply
   65,908.54x = 99,020.52 × 42,262.41
4. Step 4: Simplify right side
   65,908.54x = 4,184,845,814.65
5. Step 5: Solve for x
   x = 4,184,845,814.65/65,908.54
6. Step 6: Final answer
   x = 63,494.74