Finding the Fourth Proportional to 67,688.55, 93,353.55 and 50,732.61

Step by Step Solution

1. Step 1: Write the proportion equation
   67,688.55 : 93,353.55 = 50,732.61 : x
2. Step 2: Convert to fraction form
   67,688.55/93,353.55 = 50,732.61/x
3. Step 3: Cross multiply
   67,688.55x = 93,353.55 × 50,732.61
4. Step 4: Simplify right side
   67,688.55x = 4,736,069,244.27
5. Step 5: Solve for x
   x = 4,736,069,244.27/67,688.55
6. Step 6: Final answer
   x = 69,968.54