Finding the Fourth Proportional to 55,066.34, 82,966.54 and 49,807.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,066.34 : 82,966.54 = 49,807.28 : x
2. Step 2: Convert to fraction form
   55,066.34/82,966.54 = 49,807.28/x
3. Step 3: Cross multiply
   55,066.34x = 82,966.54 × 49,807.28
4. Step 4: Simplify right side
   55,066.34x = 4,132,337,688.41
5. Step 5: Solve for x
   x = 4,132,337,688.41/55,066.34
6. Step 6: Final answer
   x = 75,042.90