Finding the Fourth Proportional to 82,164.74, 113,456.48 and 52,003.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,164.74 : 113,456.48 = 52,003.28 : x
2. Step 2: Convert to fraction form
   82,164.74/113,456.48 = 52,003.28/x
3. Step 3: Cross multiply
   82,164.74x = 113,456.48 × 52,003.28
4. Step 4: Simplify right side
   82,164.74x = 5,900,109,120.88
5. Step 5: Solve for x
   x = 5,900,109,120.88/82,164.74
6. Step 6: Final answer
   x = 71,808.29