Finding the Fourth Proportional to 82,011.90, 113,243.49 and 51,845.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,011.90 : 113,243.49 = 51,845.88 : x
2. Step 2: Convert to fraction form
   82,011.90/113,243.49 = 51,845.88/x
3. Step 3: Cross multiply
   82,011.90x = 113,243.49 × 51,845.88
4. Step 4: Simplify right side
   82,011.90x = 5,871,208,393.32
5. Step 5: Solve for x
   x = 5,871,208,393.32/82,011.90
6. Step 6: Final answer
   x = 71,589.71