Finding the Fourth Proportional to 67,980.58, 93,771.63 and 40,366.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,980.58 : 93,771.63 = 40,366.52 : x
2. Step 2: Convert to fraction form
   67,980.58/93,771.63 = 40,366.52/x
3. Step 3: Cross multiply
   67,980.58x = 93,771.63 × 40,366.52
4. Step 4: Simplify right side
   67,980.58x = 3,785,234,410.42
5. Step 5: Solve for x
   x = 3,785,234,410.42/67,980.58
6. Step 6: Final answer
   x = 55,681.12