Finding the Fourth Proportional to 65,591.98, 90,514.25 and 38,743.18

Step by Step Solution

1. Step 1: Write the proportion equation
   65,591.98 : 90,514.25 = 38,743.18 : x
2. Step 2: Convert to fraction form
   65,591.98/90,514.25 = 38,743.18/x
3. Step 3: Cross multiply
   65,591.98x = 90,514.25 × 38,743.18
4. Step 4: Simplify right side
   65,591.98x = 3,506,809,880.32
5. Step 5: Solve for x
   x = 3,506,809,880.32/65,591.98
6. Step 6: Final answer
   x = 53,464.00