Finding the Fourth Proportional to 65,301.23, 90,089.78 and 42,632.97

Step by Step Solution

1. Step 1: Write the proportion equation
   65,301.23 : 90,089.78 = 42,632.97 : x
2. Step 2: Convert to fraction form
   65,301.23/90,089.78 = 42,632.97/x
3. Step 3: Cross multiply
   65,301.23x = 90,089.78 × 42,632.97
4. Step 4: Simplify right side
   65,301.23x = 3,840,794,674.88
5. Step 5: Solve for x
   x = 3,840,794,674.88/65,301.23
6. Step 6: Final answer
   x = 58,816.58