Finding the Fourth Proportional to 67,485.50, 93,133.90 and 40,636.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,485.50 : 93,133.90 = 40,636.69 : x
2. Step 2: Convert to fraction form
   67,485.50/93,133.90 = 40,636.69/x
3. Step 3: Cross multiply
   67,485.50x = 93,133.90 × 40,636.69
4. Step 4: Simplify right side
   67,485.50x = 3,784,653,240.75
5. Step 5: Solve for x
   x = 3,784,653,240.75/67,485.50
6. Step 6: Final answer
   x = 56,080.98