Finding the Fourth Proportional to 65,317.14, 90,054.15 and 42,306.35

Step by Step Solution

1. Step 1: Write the proportion equation
   65,317.14 : 90,054.15 = 42,306.35 : x
2. Step 2: Convert to fraction form
   65,317.14/90,054.15 = 42,306.35/x
3. Step 3: Cross multiply
   65,317.14x = 90,054.15 × 42,306.35
4. Step 4: Simplify right side
   65,317.14x = 3,809,861,938.58
5. Step 5: Solve for x
   x = 3,809,861,938.58/65,317.14
6. Step 6: Final answer
   x = 58,328.67