Finding the Fourth Proportional to 39,980.31, 55,173.69 and 22,076.46

Step by Step Solution

1. Step 1: Write the proportion equation
   39,980.31 : 55,173.69 = 22,076.46 : x
2. Step 2: Convert to fraction form
   39,980.31/55,173.69 = 22,076.46/x
3. Step 3: Cross multiply
   39,980.31x = 55,173.69 × 22,076.46
4. Step 4: Simplify right side
   39,980.31x = 1,218,039,760.34
5. Step 5: Solve for x
   x = 1,218,039,760.34/39,980.31
6. Step 6: Final answer
   x = 30,465.99