Finding the Fourth Proportional to 82,071.50, 113,352.03 and 55,167.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,071.50 : 113,352.03 = 55,167.28 : x
2. Step 2: Convert to fraction form
   82,071.50/113,352.03 = 55,167.28/x
3. Step 3: Cross multiply
   82,071.50x = 113,352.03 × 55,167.28
4. Step 4: Simplify right side
   82,071.50x = 6,253,322,894.20
5. Step 5: Solve for x
   x = 6,253,322,894.20/82,071.50
6. Step 6: Final answer
   x = 76,193.60