Finding the Fourth Proportional to 80,662.53, 121,047.09 and 37,980.17

Step by Step Solution

1. Step 1: Write the proportion equation
   80,662.53 : 121,047.09 = 37,980.17 : x
2. Step 2: Convert to fraction form
   80,662.53/121,047.09 = 37,980.17/x
3. Step 3: Cross multiply
   80,662.53x = 121,047.09 × 37,980.17
4. Step 4: Simplify right side
   80,662.53x = 4,597,388,742.48
5. Step 5: Solve for x
   x = 4,597,388,742.48/80,662.53
6. Step 6: Final answer
   x = 56,995.35