Finding the Fourth Proportional to 91,584.50, 137,423.63 and 43,607.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,584.50 : 137,423.63 = 43,607.42 : x
2. Step 2: Convert to fraction form
   91,584.50/137,423.63 = 43,607.42/x
3. Step 3: Cross multiply
   91,584.50x = 137,423.63 × 43,607.42
4. Step 4: Simplify right side
   91,584.50x = 5,992,689,046.18
5. Step 5: Solve for x
   x = 5,992,689,046.18/91,584.50
6. Step 6: Final answer
   x = 65,433.45