Finding the Fourth Proportional to 67,756.94, 93,511.50 and 39,077.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,756.94 : 93,511.50 = 39,077.72 : x
2. Step 2: Convert to fraction form
   67,756.94/93,511.50 = 39,077.72/x
3. Step 3: Cross multiply
   67,756.94x = 93,511.50 × 39,077.72
4. Step 4: Simplify right side
   67,756.94x = 3,654,216,213.78
5. Step 5: Solve for x
   x = 3,654,216,213.78/67,756.94
6. Step 6: Final answer
   x = 53,931.25