Finding the Fourth Proportional to 82,155.47, 113,415.39 and 51,971.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82,155.47 : 113,415.39 = 51,971.22 : x
2. Step 2: Convert to fraction form
   82,155.47/113,415.39 = 51,971.22/x
3. Step 3: Cross multiply
   82,155.47x = 113,415.39 × 51,971.22
4. Step 4: Simplify right side
   82,155.47x = 5,894,336,185.08
5. Step 5: Solve for x
   x = 5,894,336,185.08/82,155.47
6. Step 6: Final answer
   x = 71,746.12